diff --git a/.luacheckrc b/.luacheckrc
index 8b83ddf..e3b59be 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -31,6 +31,7 @@ read_globals = {
     "screwdriver",
     "mcl_crafting_table",
     "mcl_enchantments",
+    "stamina",
 
     "technic",
     "hopper",
diff --git a/README.md b/README.md
index b177b99..264c9c6 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,7 @@ Dependencies: Minetest Game or MineClone.
 * In Mineclonia, hoppers can put invalid items into Energy Collectors.
 * Tools do not show the wear bar (to show the charge level) when first created or crafted. It only appears after changing the range. This will not be fixed.
 * Unfortunately, caused by the performance improvements to various tool abilities, using the shear ability on sea grass (MCL) will also remove the sand below the sea grass. I can't think of a good way to fix it.
+* Dark and Red Matter Armor can make the player invincible. This is an [engine problem](https://github.com/minetest/minetest/issues/14344) that I can't fix.
 
 **If you have a suggestion or notice a bug that isn't on this list, visit the [GitHub issues page](https://github.com/thepython10110/exchangeclone/issues).**
 
@@ -89,18 +90,17 @@ You can find the old textures and sounds by going back to previous commits in Gi
 * [x] Multiple levels of Exchange Orbs (change to Klein Stars, adjust recipes)
 * [x] Wear bar on Klein Stars for EMC
 * [x] Fuel storage blocks
-* [ ] Divining rods
-* [ ] Swiftwolf's Rending Gale (maybe rename?)
-* [ ] Mind, Life, Body and Soul Stones (Mind = MCL only)
-* [ ] Talisman of Repair (will only work in player inventory, not Alchemical Chests like ProjectE)
-* [x] Gem of Eternal Density (will only work on right click, not automatically).
-* [ ] Change energy collector recipes to match ProjectE
-* [ ] Update screenshots
+* [x] Mind, Life, Body and Soul Stones (Mind = MCL only, Body and Life require Stamina mod in MTG)
+* [x] Talisman of Repair (will only work in player inventory, not Alchemical Chests like ProjectE)
+* [x] Gem of Eternal Density
 * [x] Update media licenses
-* [ ] Edit wiki:
-    * [ ] Achievements?
-    * [ ] Divining rods
-    * [ ] Swiftwolf's Rending Gale
+* [ ] Testing
+    * [ ] Every tool ability in every game
+    * [ ] Every machine in every game
+    * [ ] Check new recipes in every game
+* [ ] Update screenshots
+* [ ] Update wiki:
+    * [ ] Achievements? Maybe don't belong in wiki...
     * [ ] Talisman of Repair
     * [ ] Gem of Eternal Density
     * [ ] Mind, Life, Body, and Soul Stones
@@ -116,9 +116,11 @@ You can find the old textures and sounds by going back to previous commits in Gi
 
 #### Overview:
 * **NOTE: Updating to this version resets tools to their default mode and range (1x1, range 0). Upgrades will not be affected.**
+* **OTHER NOTE: In this version... dark and red matter armor are ridiculously overpowered, often making the player invincible. This is an [engine problem](https://github.com/minetest/minetest/issues/14344) that I can't fix.**
 * Tools' mining speeds, attack damage, and attack speeds now match ProjectE's
-* Most tools' abilities are more similar to ProjectE's, and are more efficient in some cases.
-* ExchangeClone now uses EE2/ProjectE's textures (I didn't know until recently that EE2's license had been changed to MIT)
+* Most tools' abilities are more similar to ProjectE's, and perform better in some cases.
+* New items
+* ExchangeClone now mostly uses EE2/ProjectE's textures and sounds (I didn't know until recently that EE2's license had been changed to MIT).
 
 #### Full changelog:
 * New features:
@@ -126,6 +128,8 @@ You can find the old textures and sounds by going back to previous commits in Gi
     * Replaced Exchange Orbs with Klein Stars and Magnum Stars
     * Added storage blocks for Alchemical Coal, Mobius Fuel, and Aeternalis Fuel
     * Added Gem of Eternal Density
+    * Added Soul, Body, Life, and Mind Stones (Mind = MCL only, Body/Life require Stamina mod in MTG)
+    * Added Talisman of Repair
 * Changes:
     * Most textures and all sounds are now from ProjectE/EE2. See license section for details.
     * Several improvements to tools:
@@ -138,12 +142,13 @@ You can find the old textures and sounds by going back to previous commits in Gi
         * Several changes to tool abilities (*mostly* making them closer to the ProjectE versions)
         * Got rid of `exchangeclone.node_radius_action` function (it was pretty much over-refactoring and made things so much more complicated)
     * Removed the deprecated PESA.
-    * Changed "energy" to "EMC"
-    * Replaced Exchange Orbs with Klein Stars and Magnum Stars
+    * Changed "energy" to "EMC" (any mods that depend on this will probably have to deal with that, find/replace should work pretty well).
+    * Replaced Exchange Orbs with Klein Stars and Magnum Stars (any mods that depend on this should find/replace orb with star)
         * Since Klein Star Omegas have the same capacity as the old Exchange Orbs, they now replace them (meaning players don't lose anything).
-        * Klein Star Ein->Zwei->Drei->Vier->Sphere->Omega, then the same order for Magnum Stars.
+        * Klein Star Ein->Zwei->Drei->Vier->Sphere->Omega, then the same order for Magnum Stars, each holding (and costing) 4 times more than the last.
 * Bugfixes
     * The Philosopher's Stone no longer fails to transmute logs and leaves in Mineclonia.
+    * Added energy values for azalea bushes in Mineclonia.
 
 ### v6.9
 * Fixed a bug where characters were not escaped in the search bar of the Transmutation Table(t) formspec (reported by @programmerjake).
@@ -438,9 +443,7 @@ I didn't get to everything I wanted to, mostly because the automatic energy valu
 </details>
 
 ### Features that I plan on adding eventually:
-* Achievements
 * ~~As soon as Minetest 5.8 comes out, better textures for armor...~~ Don't want to limit it to 5.8
-* Divining Rods
 * Rings (I'll probably add a new PESA-like item for holding rings)
     * Archangel's Smite (MCL only, arrows will not track targets)
     * Ring of Ignition
@@ -450,8 +453,5 @@ I didn't get to everything I wanted to, mostly because the automatic energy valu
     * Ring of Arcana (possibly without the Harvest Band)
 * Gem Armor
 * Catalytic Lens
-* Mind, Life, Body, and Soul Stones
 * Mercurial Eye
-* Talisman of Repair
-* Gem of Eternal Density
 * Probably other things
\ No newline at end of file
diff --git a/exchangeclone/armor.lua b/exchangeclone/armor.lua
index c2a35d6..b634ba0 100644
--- a/exchangeclone/armor.lua
+++ b/exchangeclone/armor.lua
@@ -288,7 +288,7 @@ else
             local damage = -hp_change
             local _, armor_inv = armor:get_valid_player(player, "3d_armor")
             local blocked = 0
-            for i = 1, 6 do
+            for i = 1, #armor_inv:get_list("armor") do
                 local itemstack = armor_inv:get_stack("armor", i)
                 blocked = blocked + get_blocked_damage(itemstack, damage, reason)
             end
diff --git a/exchangeclone/axes.lua b/exchangeclone/axes.lua
index 19ecd1f..36a37f4 100644
--- a/exchangeclone/axes.lua
+++ b/exchangeclone/axes.lua
@@ -97,6 +97,7 @@ minetest.register_tool("exchangeclone:dark_matter_axe", {
 	_mcl_diggroups = {
 		axey = { speed = 14, level = 5, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.set_charge_type("exchangeclone:dark_matter_axe", "dark_matter")
@@ -124,6 +125,7 @@ minetest.register_tool("exchangeclone:red_matter_axe", {
 	_mcl_diggroups = {
 		axey = { speed = 16, level = 6, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.set_charge_type("exchangeclone:red_matter_axe", "red_matter")
diff --git a/exchangeclone/baubles.lua b/exchangeclone/baubles.lua
deleted file mode 100644
index e742be9..0000000
--- a/exchangeclone/baubles.lua
+++ /dev/null
@@ -1,162 +0,0 @@
--- Currently none of this stuff actually runs (didn't get to it in v6.0)
-
-local S = minetest.get_translator()
-
-local storage = minetest.get_mod_storage()
-exchangeclone.bauble_data = minetest.deserialize(storage:get_string("bauble_data"))
-
---[[
-
-Bauble data format:
-{
-    action_name = {
-        player = {
-            player_name = true,
-            player_name = true,
-        }
-        detached = {
-            detached_name = true,
-            detached_name = true,
-        }
-        node = {
-            pos_string = true,
-            pos_string = true,
-        }
-    }
-}
-For example:
-{
-    repair = {
-        player = {
-            "singleplayer",
-            "ThePython"
-        },
-        detached = {
-            "exchangeclone_transmutation_ThePython",
-        }
-        node = {
-            ["(0,0,0)"] = true,
-            ["(0,999,0)"] = true,
-        }
-    }
-    density = {
-        player = {
-            "singleplayer"
-        }
-    }
-}
-
-What is done with these values must be handled by the actions themselves.
-
---]]
-
-local time = 0
-local saving_time = 0
-
-function exchangeclone.run_bauble_actions()
-    for _, data in ipairs(exchangeclone.bauble_data) do
-        for _, action in ipairs(data[2]) do
-            local func = exchangeclone.bauble_actions[action]
-            if func then func(data) end
-        end
-    end
-end
-
-minetest.register_on_globalstep(function(dtime)
-    time = time + dtime
-    saving_time = saving_time + dtime
-    if time >= 1 then
-        exchangeclone.run_bauble_actions()
-        time = 0
-    end
-end)
-
-function exchangeclone.show_baubles(player)
-    local formspec
-    minetest.show_formspec(player:get_name(), "exchangeclone_baubles", formspec)
-end
-
-minetest.register_tool("exchangeclone:bauble_accessor", {
-    description = S("Bauble Accessor"),
-    groups = {disable_repair = 1},
-})
-
-minetest.register_tool("exchangeclone:repair_talisman", {
-    description = S("Repair Talisman"),
-    groups = {disable_repair = 1, bauble = 1},
-    bauble_info = {
-        action = "repair",
-        hotbar = true
-    },
-})
-
-minetest.register_tool("exchangeclone:gem_of_eternal_density", {
-    description = S("Gem of Eternal Density"),
-    groups = {disable_repair = 1, bauble = 1},
-    bauble_info = {
-        action = "density",
-        hotbar = true
-    }
-})
-
-function exchangeclone.check_baubles(inv, list)
-    if not inv then return end
-    list = list or "main"
-end
-
-minetest.register_on_player_inventory_action(function(player, action, inventory, info)
-    -- Make sure that it's the player owning the inventory, not just the player editing the inventory
-    player = minetest.get_player_by_name(inventory:get_location().name)
-    if not player then return end
-    if action == "move" then
-        local stack = inventory:get_stack(info.to_list, info.to_index)
-        if stack:is_empty() then return end
-        local def = minetest.registered_items[stack:get_name()]
-        if not (def and def.groups.bauble) then return end
-        
-    end
-end)
-
-local function repair_item(stack)
-    if not stack:is_empty() then
-        local def = minetest.registered_items[stack:get_name()]
-        if def
-        and def.type == "tool"
-        and (not def.wear_represents or def.wear_represents == "mechanical_wear")
-        and stack:get_wear() ~= 0
-        and ((exchangeclone.mcl and def.durability > 0) or exchangeclone.mtg) then
-            local uses
-            if exchangeclone.mcl then
-                if def.durability then
-                    uses = def.durability
-                elseif def._mcl_diggroups then
-                    uses = def._mcl_diggroups[1].uses
-                end
-            else
-                if def.tool_capabilities and def.tool_capabilities.groupcaps then
-                    local groupcaps = def.tool_capabilities.groupcaps[1]
-                    uses = groupcaps.uses*math.pow(3, groupcaps.max_level)
-                elseif def.groups.armor_use then
-                    uses = def.groups.armor_use
-                end
-            end
-            if not uses then uses = 1000 end
-            if uses then
-                stack:set_wear(stack:get_wear() + 65535/uses)
-            end
-        end
-    end
-
-    return stack
-end
-
-exchangeclone.bauble_actions = {
-    repair = function(data)
-        for _, player in ipairs(data.player) do
-            local inv = player:get_inventory()
-            for i = 1, inv:get_size("main") do
-                inv:set_stack("main", i, repair_item(inv:get_stack("main", i)))
-            end
-        end
-    end
-}
\ No newline at end of file
diff --git a/exchangeclone/covalence_dust.lua b/exchangeclone/covalence_dust.lua
index 95c9c8d..7782d0e 100644
--- a/exchangeclone/covalence_dust.lua
+++ b/exchangeclone/covalence_dust.lua
@@ -81,17 +81,22 @@ local function is_repairable_gear(item)
     if item:get_wear() <= 0 then return end
     if minetest.get_item_group(item:get_name(), "disable_repair") > 0 then return end
     if (exchangeclone.get_item_emc(item) or 0) <= 0 then return end
-
-    local result = 0
-    for group, amount in pairs(exchangeclone.tool_types) do
-        if minetest.get_item_group(item:get_name(), group) > 0 then
-            result = result + amount
+    local def = item:get_definition()
+    if def
+    and def.type == "tool"
+    and (not def.wear_represents or def.wear_represents == "mechanical_wear")
+    and item:get_wear() ~= 0
+    and ((exchangeclone.mcl and def.durability > 0) or exchangeclone.mtg) then
+        local result = 0
+        for group, amount in pairs(exchangeclone.tool_types) do
+            if minetest.get_item_group(item:get_name(), group) > 0 then
+                result = result + amount
+            end
         end
+        return (result > 0) and result
     end
-    return (result > 0) and result
 end
 
--- Doesn't even get to repairable_gear function
 minetest.register_allow_player_inventory_action(function(player, action, inventory, info)
     if action == "take" and listnames[info.listname] then
         return info.stack:get_count()
diff --git a/exchangeclone/gem_of_eternal_density.lua b/exchangeclone/gem_of_eternal_density.lua
index b8f6289..2d3a7f9 100644
--- a/exchangeclone/gem_of_eternal_density.lua
+++ b/exchangeclone/gem_of_eternal_density.lua
@@ -12,29 +12,11 @@ local function get_gem_description(itemstack)
     local target_message = "Target: "..ItemStack(exchangeclone.density_targets[current_target]):get_short_description()
     local emc = exchangeclone.get_item_emc(itemstack:get_name())
     local stored = exchangeclone.get_item_emc(itemstack) - emc
-    return "Gem of Eternal Density\n"..target_message.."\nEMC value: "..exchangeclone.format_number(emc).."\nStored EMC: "..exchangeclone.format_number(stored)
+    return "Gem of Eternal Density\n"..target_message.."\nEMC Value: "..exchangeclone.format_number(emc).."\nStored EMC: "..exchangeclone.format_number(stored)
 end
 
-local function gem_action(itemstack, player, pointed_thing)
-    local click_test = exchangeclone.check_on_rightclick(itemstack, player, pointed_thing)
-    if click_test ~= false then
-        return click_test
-    end
-
+local function condense(player, itemstack)
     local meta = itemstack:get_meta()
-    if player:get_player_control().aux1 then
-        local current_target = math.max(meta:get_int("density_target"), 1)
-        if player:get_player_control().sneak then
-            current_target = math.max(1, current_target - 1)
-        else
-            current_target = math.min(#exchangeclone.density_targets, current_target + 1)
-        end
-        minetest.chat_send_player(player:get_player_name(), "Target: "..ItemStack(exchangeclone.density_targets[current_target]):get_short_description())
-        meta:set_int("density_target", current_target)
-        meta:set_string("description", get_gem_description(itemstack))
-        return itemstack
-    end
-
     local inv = player:get_inventory()
     local list = inv:get_list("main")
     -- Don't include hotbar
@@ -84,17 +66,51 @@ local function gem_action(itemstack, player, pointed_thing)
     if remainder > 0 then
         remainder_emc = remainder_emc + remainder*target_emc
     end
-    exchangeclone.play_sound(player, "exchangeclone_enable")
+    if meta:get_string("exchangeclone_active") ~= "true" then
+        exchangeclone.play_sound(player, "exchangeclone_enable")
+    end
     meta:set_int("exchangeclone_emc_value", exchangeclone.get_item_emc(itemstack:get_name()) + remainder_emc)
     meta:set_string("description", get_gem_description(itemstack))
     return itemstack
 end
 
+local function gem_action(itemstack, player, pointed_thing)
+    local click_test = exchangeclone.check_on_rightclick(itemstack, player, pointed_thing)
+    if click_test ~= false then
+        return click_test
+    end
+
+    local meta = itemstack:get_meta()
+    if player:get_player_control().aux1 then
+        local current_target = math.max(meta:get_int("density_target"), 1)
+        if player:get_player_control().sneak then
+            current_target = math.max(1, current_target - 1)
+        else
+            current_target = math.min(#exchangeclone.density_targets, current_target + 1)
+        end
+        minetest.chat_send_player(player:get_player_name(), "Target: "..ItemStack(exchangeclone.density_targets[current_target]):get_short_description())
+        meta:set_int("density_target", current_target)
+        meta:set_string("description", get_gem_description(itemstack))
+        return itemstack
+    elseif player:get_player_control().sneak then
+        return exchangeclone.toggle_active(itemstack, player, pointed_thing)
+    else
+        return condense(player, itemstack)
+    end
+end
+
 minetest.register_tool("exchangeclone:gem_of_eternal_density", {
     description = "Gem of Eternal Density",
     inventory_image = "exchangeclone_gem_of_eternal_density.png",
     on_secondary_use = gem_action,
-    on_place = gem_action
+    on_place = gem_action,
+    _exchangeclone_passive = {
+        hotbar = true,
+        active_image = "exchangeclone_gem_of_eternal_density_active.png",
+        func = condense
+    },
+    groups = {disable_repair = 1, exchangeclone_passive = 1},
+    _mcl_generate_description = get_gem_description
 })
 
 minetest.register_craft({
diff --git a/exchangeclone/hammers.lua b/exchangeclone/hammers.lua
index dcf3436..d668a6a 100644
--- a/exchangeclone/hammers.lua
+++ b/exchangeclone/hammers.lua
@@ -72,7 +72,8 @@ minetest.register_tool("exchangeclone:dark_matter_hammer", {
 		pickaxey = { speed = 14, level = 5, uses = 0 }
 	},
     on_place = hammer_on_place,
-    on_secondary_use = hammer_on_place
+    on_secondary_use = hammer_on_place,
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.register_multidig_tool("exchangeclone:dark_matter_hammer", {"group:"..exchangeclone.pickaxe_group})
@@ -101,6 +102,7 @@ minetest.register_tool("exchangeclone:red_matter_hammer", {
 	},
     on_place = hammer_on_place,
     on_secondary_use = hammer_on_place,
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.register_multidig_tool("exchangeclone:red_matter_hammer", {"group:"..exchangeclone.pickaxe_group})
diff --git a/exchangeclone/hoes.lua b/exchangeclone/hoes.lua
index 49c36de..dcd8582 100644
--- a/exchangeclone/hoes.lua
+++ b/exchangeclone/hoes.lua
@@ -132,6 +132,7 @@ minetest.register_tool("exchangeclone:dark_matter_hoe", {
         exchangeclone_dirt = { speed = 14, level = 5, uses = 0 },
 		hoey = { speed = 14, level = 5, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.register_multidig_tool("exchangeclone:dark_matter_hoe", {"group:exchangeclone_dirt"})
@@ -158,6 +159,7 @@ minetest.register_tool("exchangeclone:red_matter_hoe", {
         exchangeclone_dirt = { speed = 16, level = 6, uses = 0 },
 		hoey = { speed = 16, level = 6, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.register_multidig_tool("exchangeclone:red_matter_hoe", {"group:exchangeclone_dirt"})
diff --git a/exchangeclone/init.lua b/exchangeclone/init.lua
index e6e1c1a..cc9ac8b 100644
--- a/exchangeclone/init.lua
+++ b/exchangeclone/init.lua
@@ -107,40 +107,52 @@ end
 if exchangeclone.mcl2 then
 	mcl_item_id.set_mod_namespace("exchangeclone")
 end
+local files = {
+	"constructor",
+	"deconstructor",
+	"energy_collector",
+	"klein_stars",
+	"craftitems",
+	"tool_upgrades",
+	"swords",
+	"pickaxes",
+	"axes",
+	"shovels",
+	"hoes",
+	"hammers",
+	"red_matter_multitools",
+	"covalence_dust",
+	"philosophers_stone",
+	"infinite_food",
+	"alchemical_chests",
+	"transmutation_table",
+	"furnaces",
+	"gem_of_eternal_density",
+	"talisman_of_repair",
+	"passive_stones",
+}
 
-dofile(modpath.."/constructor.lua")
-dofile(modpath.."/deconstructor.lua")
-dofile(modpath.."/energy_collector.lua")
-dofile(modpath.."/klein_stars.lua")
-dofile(modpath.."/craftitems.lua")
 if exchangeclone.mcl or minetest.get_modpath("3d_armor") then
 	dofile(modpath.."/armor.lua")
 end
+
 if exchangeclone.mcl then
 	dofile(modpath.."/shears.lua")
 	dofile(modpath.."/tool_upgrades.lua")
 end
-dofile(modpath.."/swords.lua")
-dofile(modpath.."/axes.lua")
-dofile(modpath.."/hoes.lua")
-dofile(modpath.."/pickaxes.lua")
-dofile(modpath.."/hammers.lua")
-dofile(modpath.."/shovels.lua")
-dofile(modpath.."/red_matter_multitools.lua")
-dofile(modpath.."/covalence_dust.lua")
+
 if minetest.get_modpath("hopper") then
 	dofile(modpath.."/hopper_compat.lua")
 end
-dofile(modpath.."/philosophers_stone.lua")
-dofile(modpath.."/infinite_food.lua")
-dofile(modpath.."/alchemical_chests.lua")
-dofile(modpath.."/transmutation_table.lua")
-dofile(modpath.."/furnaces.lua")
-dofile(modpath.."/gem_of_eternal_density.lua")
+
 if minetest.get_modpath("awards") then
 	dofile(modpath.."/awards.lua")
 end
 
+for _, file in ipairs(files) do
+	dofile(modpath.."/"..file..".lua")
+end
+
 minetest.register_on_mods_loaded(function()
 	local emc_start_time = minetest.get_us_time()
 	minetest.log("action", "[ExchangeClone] Registering EMC values")
diff --git a/exchangeclone/passive_stones.lua b/exchangeclone/passive_stones.lua
new file mode 100644
index 0000000..faea700
--- /dev/null
+++ b/exchangeclone/passive_stones.lua
@@ -0,0 +1,191 @@
+local function heal(player, amount)
+    local hp_max = player:get_properties().hp_max
+    local current_hp = player:get_hp()
+    if current_hp < hp_max then
+        player:set_hp(math.min(current_hp + amount, hp_max), { type = "set_hp", other = "healing" })
+        return true
+    end
+end
+
+local function satiate() end
+
+if exchangeclone.mcl and mcl_hunger.active then
+    satiate = function(player, amount)
+        local hunger = mcl_hunger.get_hunger(player)
+        if hunger < 20 then
+            mcl_hunger.set_hunger(player, hunger + amount)
+            mcl_hunger.set_saturation(player, hunger + amount)
+            return true
+        end
+    end
+elseif exchangeclone.mtg and minetest.get_modpath("stamina") then
+    satiate = function(player, amount)
+        if stamina.get_saturation(player) < stamina.settings.visual_max then
+            stamina.change_saturation(player, amount)
+            return true
+        end
+    end
+end
+
+minetest.register_tool("exchangeclone:soul_stone", {
+    description = "Soul Stone",
+    inventory_image = "exchangeclone_soul_stone.png",
+    _exchangeclone_passive = {
+        func = function(player)
+            if exchangeclone.get_player_emc(player) >= 64 then
+                if heal(player, 2) then
+                    exchangeclone.add_player_emc(player, -64)
+                end
+            end
+        end,
+        hotbar = true,
+        active_image = "exchangeclone_soul_stone_active.png",
+        exclude = {"exchangeclone:life_stone"}
+    },
+    on_secondary_use = exchangeclone.toggle_active,
+    on_place = exchangeclone.toggle_active,
+    groups = {exchangeclone_passive = 1, disable_repair = 1}
+})
+minetest.register_craft({
+    output = "exchangeclone:soul_stone",
+    recipe = {
+        {exchangeclone.itemstrings.glowstoneworth, exchangeclone.itemstrings.glowstoneworth, exchangeclone.itemstrings.glowstoneworth},
+        {"exchangeclone:red_matter", exchangeclone.itemstrings.lapisworth, "exchangeclone:red_matter"},
+        {exchangeclone.itemstrings.glowstoneworth, exchangeclone.itemstrings.glowstoneworth, exchangeclone.itemstrings.glowstoneworth},
+    }
+})
+
+if (exchangeclone.mcl and mcl_hunger.active) or (exchangeclone.mtg and minetest.get_modpath("stamina")) then
+    minetest.register_tool("exchangeclone:body_stone", {
+        description = "Body Stone",
+        inventory_image = "exchangeclone_body_stone.png",
+        _exchangeclone_passive = {
+            func = function(player)
+                if exchangeclone.get_player_emc(player) >= 64 then
+                    if satiate(player, 2) then
+                        exchangeclone.add_player_emc(player, -64)
+                    end
+                end
+            end,
+            hotbar = true,
+            active_image = "exchangeclone_body_stone_active.png",
+            exclude = {"exchangeclone:life_stone"}
+        },
+        on_secondary_use = exchangeclone.toggle_active,
+        on_place = exchangeclone.toggle_active,
+        groups = {exchangeclone_passive = 1, disable_repair = 1}
+    })
+
+    local sugar_ingredient = exchangeclone.mcl and "mcl_core:sugar" or "default:papyrus"
+    minetest.register_craft({
+        output = "exchangeclone:body_stone",
+        recipe = {
+            {sugar_ingredient, sugar_ingredient, sugar_ingredient},
+            {"exchangeclone:red_matter", exchangeclone.itemstrings.lapisworth, "exchangeclone:red_matter"},
+            {sugar_ingredient, sugar_ingredient, sugar_ingredient},
+        }
+    })
+
+    minetest.register_tool("exchangeclone:life_stone", {
+        description = "Life Stone",
+        inventory_image = "exchangeclone_life_stone.png",
+        _exchangeclone_passive = {
+            func = function(player)
+                if exchangeclone.get_player_emc(player) >= 64 then
+                    local changed
+                    if heal(player, 2)  then
+                        changed = true
+                    end
+                    if satiate(player, 2) then
+                        changed = true
+                    end
+                    if changed then
+                        exchangeclone.add_player_emc(player, -64)
+                    end
+                end
+            end,
+            hotbar = true,
+            active_image = "exchangeclone_life_stone_active.png",
+            exclude = {"exchangeclone:body_stone", "exchangeclone:soul_stone"}
+        },
+        on_secondary_use = exchangeclone.toggle_active,
+        on_place = exchangeclone.toggle_active,
+        groups = {exchangeclone_passive = 1, disable_repair = 1},
+    })
+    minetest.register_craft({
+        output = "exchangeclone:life_stone",
+        type = "shapeless",
+        recipe = {"exchangeclone:soul_stone", "exchangeclone:body_stone"}
+    })
+end
+
+if exchangeclone.mcl then
+
+    local function get_mind_description(itemstack)
+        local meta = itemstack:get_meta()
+        local emc = exchangeclone.get_item_emc(itemstack) or 0
+        local stored = meta:get_int("exchangeclone_stored_xp") or 0
+        return "Mind Stone\nEMC Value: "..exchangeclone.format_number(emc).."\nStored XP: "..exchangeclone.format_number(stored)
+    end
+
+    local function drain_xp(player, itemstack)
+        local meta = itemstack:get_meta()
+        local stored = meta:get_int("exchangeclone_stored_xp") or 0
+        local player_xp = mcl_experience.get_xp(player)
+        meta:set_int("exchangeclone_stored_xp", stored + player_xp)
+        mcl_experience.set_xp(player, 0)
+        meta:set_string("description", get_mind_description(itemstack))
+        return itemstack
+    end
+
+    local function mind_action(itemstack, player, pointed_thing)
+        local click_test = exchangeclone.check_on_rightclick(itemstack, player, pointed_thing)
+        if click_test ~= false then
+            return click_test
+        end
+
+        local meta = itemstack:get_meta()
+        local stored = meta:get_int("exchangeclone_stored_xp") or 0
+        if player:get_player_control().aux1 then
+            return exchangeclone.toggle_active(itemstack, player, pointed_thing)
+        elseif player:get_player_control().sneak then
+            local player_xp = mcl_experience.get_xp(player)
+            local amount_to_take = math.min(100, player_xp)
+            mcl_experience.set_xp(player, player_xp - amount_to_take)
+            meta:set_int("exchangeclone_stored_xp", stored + amount_to_take)
+            meta:set_string("description", get_mind_description(itemstack))
+            return itemstack
+        else
+            local player_xp = mcl_experience.get_xp(player)
+            local amount_to_take = math.min(100, stored)
+            mcl_experience.set_xp(player, player_xp + amount_to_take)
+            meta:set_int("exchangeclone_stored_xp", stored - amount_to_take)
+            meta:set_string("description", get_mind_description(itemstack))
+            return itemstack
+        end
+    end
+
+    minetest.register_tool("exchangeclone:mind_stone", {
+        description = "Mind Stone",
+        inventory_image = "exchangeclone_mind_stone.png",
+        _exchangeclone_passive = {
+            func = drain_xp,
+            hotbar = true,
+            active_image = "exchangeclone_mind_stone_active.png",
+        },
+        on_secondary_use = mind_action,
+        on_place = mind_action,
+        groups = {exchangeclone_passive = 1, disable_repair = 1},
+        _mcl_generate_description = get_mind_description
+    })
+
+    local book = "mcl_books:book"
+    minetest.register_craft({
+        output = "exchangeclone:mind_stone",
+        recipe = {
+            {book, book, book},
+            {"exchangeclone:red_matter", exchangeclone.itemstrings.lapisworth, "exchangeclone:red_matter"},
+            {book, book, book},
+        }
+    })
+end
\ No newline at end of file
diff --git a/exchangeclone/philosophers_stone.lua b/exchangeclone/philosophers_stone.lua
index 576a983..141da09 100644
--- a/exchangeclone/philosophers_stone.lua
+++ b/exchangeclone/philosophers_stone.lua
@@ -111,7 +111,8 @@ minetest.register_tool("exchangeclone:philosophers_stone", {
     on_use = on_left_click,
     on_place = on_right_click,
     on_secondary_use = on_right_click,
-    groups = {philosophers_stone = 1, disable_repair = 1, fire_immune = 1}
+    groups = {philosophers_stone = 1, disable_repair = 1, fire_immune = 1},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.set_charge_type("exchangeclone:philosophers_stone", "phil")
diff --git a/exchangeclone/pickaxes.lua b/exchangeclone/pickaxes.lua
index fd12c00..562aa54 100644
--- a/exchangeclone/pickaxes.lua
+++ b/exchangeclone/pickaxes.lua
@@ -97,6 +97,7 @@ minetest.register_tool("exchangeclone:dark_matter_pickaxe", {
 	},
     on_secondary_use = pickaxe_on_use,
     on_place = pickaxe_on_use,
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.register_multidig_tool("exchangeclone:dark_matter_pickaxe", {"group:"..exchangeclone.pickaxe_group})
@@ -124,6 +125,7 @@ minetest.register_tool("exchangeclone:red_matter_pickaxe", {
 	},
     on_secondary_use = pickaxe_on_use,
     on_place = pickaxe_on_use,
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.register_multidig_tool("exchangeclone:red_matter_pickaxe", {"group:"..exchangeclone.pickaxe_group})
diff --git a/exchangeclone/shears.lua b/exchangeclone/shears.lua
index 0b590d4..e118532 100644
--- a/exchangeclone/shears.lua
+++ b/exchangeclone/shears.lua
@@ -81,6 +81,7 @@ minetest.register_tool("exchangeclone:dark_matter_shears", {
         shearsy_wool = { speed = 14, level = 5, uses = 0 },
         shearsy_cobweb = { speed = 14, level = 5, uses = 0 }
     },
+	wear_represents = "exchangeclone_charge_level"
 })
 
 
@@ -106,6 +107,7 @@ minetest.register_tool("exchangeclone:red_matter_shears", {
         shearsy_wool = { speed = 16, level = 6, uses = 0 },
         shearsy_cobweb = { speed = 16, level = 6, uses = 0 }
     },
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.set_charge_type("exchangeclone:red_matter_shears", "red_matter")
diff --git a/exchangeclone/shovels.lua b/exchangeclone/shovels.lua
index 30751dd..363eb5a 100644
--- a/exchangeclone/shovels.lua
+++ b/exchangeclone/shovels.lua
@@ -135,6 +135,7 @@ minetest.register_tool("exchangeclone:dark_matter_shovel", {
 	_mcl_diggroups = {
 		shovely = { speed = 14, level = 5, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.set_charge_type("exchangeclone:dark_matter_shovel", "dark_matter")
@@ -161,6 +162,7 @@ minetest.register_tool("exchangeclone:red_matter_shovel", {
 	_mcl_diggroups = {
 		shovely = { speed = 16, level = 6, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 exchangeclone.set_charge_type("exchangeclone:red_matter_shovel", "red_matter")
diff --git a/exchangeclone/swords.lua b/exchangeclone/swords.lua
index 8f29e43..fbef6bf 100644
--- a/exchangeclone/swords.lua
+++ b/exchangeclone/swords.lua
@@ -186,6 +186,7 @@ minetest.register_tool("exchangeclone:dark_matter_sword", {
 	_mcl_diggroups = {
 		swordy = { speed = 14, level = 5, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 minetest.register_tool("exchangeclone:red_matter_sword", {
@@ -211,6 +212,7 @@ minetest.register_tool("exchangeclone:red_matter_sword", {
 	_mcl_diggroups = {
 		swordy = { speed = 16, level = 6, uses = 0 }
 	},
+	wear_represents = "exchangeclone_charge_level"
 })
 
 minetest.register_craft({
diff --git a/exchangeclone/talisman_of_repair.lua b/exchangeclone/talisman_of_repair.lua
new file mode 100644
index 0000000..bbfc6b9
--- /dev/null
+++ b/exchangeclone/talisman_of_repair.lua
@@ -0,0 +1,73 @@
+local function repair_items(inv, listname)
+    local list = inv:get_list(listname)
+    for i = 1, #list do
+        local stack = inv:get_stack(listname, i)
+        if not stack:is_empty() then
+            local def = stack:get_definition()
+            if def
+            and def.type == "tool"
+            and (not def.wear_represents or def.wear_represents == "mechanical_wear")
+            and stack:get_wear() > 0 then
+                local uses
+                if exchangeclone.mcl then
+                    local armor_uses = minetest.get_item_group(stack:get_name(), "mcl_armor_uses")
+                    if armor_uses > 0 then
+                        uses = armor_uses
+                    elseif def._mcl_diggroups then
+                        for name, data in pairs(def._mcl_diggroups) do
+                            uses = data.uses
+                            break -- Just the simplest way to do it...
+                        end
+                    end
+                else
+                    if def.tool_capabilities and def.tool_capabilities.groupcaps then
+                        local groupcaps
+                        for name, data in pairs(def.tool_capabilities.groupcaps) do
+                            groupcaps = data
+                            break -- Just the simplest way to do it...
+                        end
+                        uses = groupcaps.uses*math.pow(3, groupcaps.maxlevel-1)
+                    elseif def.groups.armor_use then
+                        uses = 65535/def.groups.armor_use
+                    end
+                end
+                if uses and uses > 0 then
+                    minetest.log(uses)
+                    stack:set_wear(math.max(0, stack:get_wear() - 65535/uses))
+                    inv:set_stack(listname, i, stack)
+                end
+            end
+        end
+    end
+end
+
+minetest.register_tool("exchangeclone:talisman_of_repair", {
+    description = "Talisman of Repair",
+    inventory_image = "exchangeclone_talisman_of_repair.png",
+    _exchangeclone_passive = {
+        func = function(player)
+            local inv = player:get_inventory()
+            repair_items(inv, "main")
+            if exchangeclone.mcl then
+                repair_items(inv, "offhand")
+                repair_items(inv, "armor")
+            elseif minetest.get_modpath("3d_armor") then
+                local _, armor_inv = armor:get_valid_player(player, "3d_armor")
+                repair_items(armor_inv, "armor")
+            end
+        end,
+        always_active = true
+    },
+    groups = {exchangeclone_passive = 1, disable_repair = 1}
+})
+
+local string = exchangeclone.mcl and "mcl_mobitems:string" or "farming:string"
+
+minetest.register_craft({
+    output = "exchangeclone:talisman_of_repair",
+    recipe = {
+        {"exchangeclone:low_covalence_dust", "exchangeclone:medium_covalence_dust", "exchangeclone:high_covalence_dust"},
+        {string, exchangeclone.mcl and "mcl_core:paper" or "default:paper", string},
+        {"exchangeclone:high_covalence_dust", "exchangeclone:medium_covalence_dust", "exchangeclone:low_covalence_dust"}
+    }
+})
\ No newline at end of file
diff --git a/exchangeclone/textures/exchangeclone_alchemical_tome.png b/exchangeclone/textures/exchangeclone_alchemical_tome.png
index a80baec..a893e9c 100644
Binary files a/exchangeclone/textures/exchangeclone_alchemical_tome.png and b/exchangeclone/textures/exchangeclone_alchemical_tome.png differ
diff --git a/exchangeclone/textures/exchangeclone_body_stone.png b/exchangeclone/textures/exchangeclone_body_stone.png
new file mode 100644
index 0000000..7efcbda
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_body_stone.png differ
diff --git a/exchangeclone/textures/exchangeclone_body_stone_active.png b/exchangeclone/textures/exchangeclone_body_stone_active.png
new file mode 100644
index 0000000..77a351a
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_body_stone_active.png differ
diff --git a/exchangeclone/textures/exchangeclone_gem_of_eternal_density_active.png b/exchangeclone/textures/exchangeclone_gem_of_eternal_density_active.png
new file mode 100644
index 0000000..df3d53c
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_gem_of_eternal_density_active.png differ
diff --git a/exchangeclone/textures/exchangeclone_life_stone.png b/exchangeclone/textures/exchangeclone_life_stone.png
new file mode 100644
index 0000000..15ec781
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_life_stone.png differ
diff --git a/exchangeclone/textures/exchangeclone_life_stone_active.png b/exchangeclone/textures/exchangeclone_life_stone_active.png
new file mode 100644
index 0000000..41aaf09
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_life_stone_active.png differ
diff --git a/exchangeclone/textures/exchangeclone_mind_stone.png b/exchangeclone/textures/exchangeclone_mind_stone.png
new file mode 100644
index 0000000..de6c3a1
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_mind_stone.png differ
diff --git a/exchangeclone/textures/exchangeclone_mind_stone_active.png b/exchangeclone/textures/exchangeclone_mind_stone_active.png
new file mode 100644
index 0000000..3e33320
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_mind_stone_active.png differ
diff --git a/exchangeclone/textures/exchangeclone_soul_stone.png b/exchangeclone/textures/exchangeclone_soul_stone.png
new file mode 100644
index 0000000..cdefde0
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_soul_stone.png differ
diff --git a/exchangeclone/textures/exchangeclone_soul_stone_active.png b/exchangeclone/textures/exchangeclone_soul_stone_active.png
new file mode 100644
index 0000000..dc93aec
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_soul_stone_active.png differ
diff --git a/exchangeclone/textures/exchangeclone_talisman_of_repair.png b/exchangeclone/textures/exchangeclone_talisman_of_repair.png
new file mode 100644
index 0000000..51f9cf2
Binary files /dev/null and b/exchangeclone/textures/exchangeclone_talisman_of_repair.png differ
diff --git a/zzzz_exchangeclone_init/lib.lua b/zzzz_exchangeclone_init/lib.lua
index 9e9e661..7a939fd 100644
--- a/zzzz_exchangeclone_init/lib.lua
+++ b/zzzz_exchangeclone_init/lib.lua
@@ -68,9 +68,14 @@ function exchangeclone.get_item_emc(item)
         return cheapest
     end
 
+    -- Only check metadata for ItemStacks
     if type(item) == "userdata" then
-        local meta_emc_value = tonumber(item:get_meta():get_string("exchangeclone_emc_value"))
-        if meta_emc_value then minetest.log(dump(meta_emc_value)) return math.max(0, meta_emc_value) end
+        local meta_emc_value = item:get_meta():get_string("exchangeclone_emc_value")
+        if meta_emc_value == "none" then
+            return 0
+        elseif tonumber(meta_emc_value) then
+            return math.max(0, tonumber(meta_emc_value))
+        end
     end
 
     -- handle items/itemstacks
@@ -355,6 +360,7 @@ exchangeclone.itemstrings = {
     redstoneworth =     exchangeclone.mcl and "mesecons:redstone"           or "default:obsidian",
     obsidian =          exchangeclone.mcl and "mcl_core:obsidian"           or "default:obsidian",
     glowstoneworth =    exchangeclone.mcl and "mcl_nether:glowstone_dust"   or "default:tin_ingot",
+    lapisworth =        exchangeclone.mcl and "mcl_core:lapis"              or "bucket:bucket_lava",
     coal =              exchangeclone.mcl and "mcl_core:coal_lump"          or "default:coal_lump",
     iron =              exchangeclone.mcl and "mcl_core:iron_ingot"         or "default:steel_ingot",
     copper =            exchangeclone.mcl and "mcl_copper:copper_ingot"     or "default:copper_ingot",
@@ -1205,4 +1211,67 @@ function exchangeclone.place_torch(player, pointed_thing)
     if torch_on_place then
         torch_on_place(ItemStack(exchangeclone.itemstrings.torch), player, pointed_thing)
     end
+end
+
+do
+    local hb_max = exchangeclone.mcl and 9 or 8
+    local timer = 0
+
+    minetest.register_globalstep(function(dtime)
+        timer = timer + dtime
+        if timer >= 1 then
+            timer = 0
+            for _, player in pairs(minetest.get_connected_players()) do
+                local inv = player:get_inventory()
+                local processed_already = {}
+                for i, stack in ipairs(inv:get_list("main")) do
+                    if minetest.get_item_group(stack:get_name(), "exchangeclone_passive") then
+                        local passive_data = stack:get_definition()._exchangeclone_passive
+                        if passive_data
+                        and not processed_already[stack:get_name()]
+                        and (stack:get_meta():get_string("exchangeclone_active") == "true" or passive_data.always_active)
+                        and (not passive_data.hotbar or (passive_data.hotbar and i <= hb_max)) then
+                            local found
+                            if passive_data.exclude then
+                                for _, itemstring in pairs(passive_data.exclude) do
+                                    if processed_already[itemstring] then
+                                        found = true
+                                        break
+                                    end
+                                end
+                            end
+                            if not found then
+                                processed_already[stack:get_name()] = true
+                                local result = passive_data.func(player, stack)
+                                if result then inv:set_stack("main", i, result) end
+                            end
+                        end
+                    end
+                end
+            end
+        end
+    end)
+end
+
+function exchangeclone.toggle_active(itemstack, player, pointed_thing)
+    local click_test = exchangeclone.check_on_rightclick(itemstack, player, pointed_thing)
+    if click_test ~= false then
+        return click_test
+    end
+
+    local meta = itemstack:get_meta()
+    local def = itemstack:get_definition()
+    if meta:get_string("exchangeclone_active") ~= "true" then
+        exchangeclone.play_sound(player, "exchangeclone_enable")
+        meta:set_string("exchangeclone_active", "true")
+        local active_image = def._exchangeclone_passive.active_image
+        if active_image then
+            meta:set_string("inventory_image", active_image)
+        end
+    else
+        exchangeclone.play_sound(player, "exchangeclone_charge_down")
+        meta:set_string("exchangeclone_active", "")
+        meta:set_string("inventory_image", "")
+    end
+    return itemstack
 end
\ No newline at end of file