diff --git a/.gitignore b/.gitignore
index 87e8f31..dadad45 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,7 +7,13 @@ DS_Store
 
 ## ignore all files in scripts
 scripts/*
+!scripts/Libraries
+scripts/Libraries/*
 !scripts/.gitkeep
+!scripts/ExampleModule.lua
+!scripts/Libraries/ExampleLibrary.lua
+!scripts/Libraries/ExampleDependency.lua
+!scripts/Libraries/ExampleDependencyError.lua
 
 ## ignore vscode settings
 .vscode/*
diff --git a/scripts/ExampleModule.lua b/scripts/ExampleModule.lua
new file mode 100644
index 0000000..4289a24
--- /dev/null
+++ b/scripts/ExampleModule.lua
@@ -0,0 +1,24 @@
+local Tinkr, Bastion = ...
+local ExampleModule = Bastion.Module:New('ExampleModule')
+local Player = Bastion.UnitManager:Get('player')
+
+-- Create a local spellbook
+local SpellBook = Bastion.SpellBook:New()
+
+local FlashHeal = SpellBook:GetSpell(2061)
+
+-- Get a global spell (this can collide with other modules, so be careful)
+-- This is useful for caching common spells that you might not actually cast, and to avoid needless spell creation inline
+local FlashHeal = Bastion.Globals.SpellBook:GetSpell(2061)
+
+local AdvancedMath = Bastion:Import('AdvancedMath')
+
+print(AdvancedMath:Add(1, 2))
+
+ExampleModule:Sync(function()
+    if Player:GetHP() <= 50 then
+        FlashHeal:Cast(Player)
+    end
+end)
+
+Bastion:Register(ExampleModule)
diff --git a/scripts/Libraries/ExampleDependency.lua b/scripts/Libraries/ExampleDependency.lua
new file mode 100644
index 0000000..87c1449
--- /dev/null
+++ b/scripts/Libraries/ExampleDependency.lua
@@ -0,0 +1,21 @@
+local Tinkr, Bastion = ...
+
+local Player = Bastion.UnitManager:Get('player')
+
+Bastion:RegisterLibrary(Bastion.Library:New({
+    name = 'Dependable',
+    exports = {
+        default = function()
+            local Dependable = {}
+
+            Dependable.__index = Dependable
+
+            function Dependable:Test(a)
+                print(a)
+            end
+
+            return Dependable
+        end,
+        Test = 5
+    }
+}))
diff --git a/scripts/Libraries/ExampleDependencyError.lua b/scripts/Libraries/ExampleDependencyError.lua
new file mode 100644
index 0000000..5fc4485
--- /dev/null
+++ b/scripts/Libraries/ExampleDependencyError.lua
@@ -0,0 +1,15 @@
+local Tinkr, Bastion = ...
+
+Bastion:RegisterLibrary(Bastion.Library:New({
+    name = 'Circular',
+    exports = {
+        default = function(self)
+            -- Return default first, and then the remaining exports
+            local Math, OtherExports = self:Import('AdvancedMath')
+
+            print(Math:Add(1, 2))
+
+            return 'Circular'
+        end
+    }
+}))
diff --git a/scripts/Libraries/ExampleLibrary.lua b/scripts/Libraries/ExampleLibrary.lua
new file mode 100644
index 0000000..ddb7afa
--- /dev/null
+++ b/scripts/Libraries/ExampleLibrary.lua
@@ -0,0 +1,25 @@
+local Tinkr, Bastion = ...
+
+Bastion:RegisterLibrary(Bastion.Library:New({
+    name = 'AdvancedMath',
+    exports = {
+        default = function(self) -- Function exports are called when the library is loaded
+            -- Return default first, and then the remaining exports
+            local Dependable, OtherExports = self:Import('Dependable')
+
+            local CircularDependency = self:Import('Circular') -- Causes a circular dependency error
+
+            Dependable:Test(OtherExports.Test)
+
+            local AdvancedMath = {}
+
+            AdvancedMath.__index = AdvancedMath
+
+            function AdvancedMath:Add(a, b)
+                return a + b
+            end
+
+            return AdvancedMath
+        end
+    }
+}))
diff --git a/src/APL/APL.lua b/src/APL/APL.lua
index 95d2ebe..49f0659 100644
--- a/src/APL/APL.lua
+++ b/src/APL/APL.lua
@@ -1,5 +1,4 @@
 -- Document with emmy lua: https://emmylua.github.io/
-
 -- Create an APL trait for the APL class
 ---@class APLTrait
 local APLTrait = {}
@@ -55,7 +54,7 @@ end
 ---@param ... APLTrait
 ---@return APLActor
 function APLActor:AddTraits(...)
-    for _, trait in ipairs({ ... }) do
+    for _, trait in ipairs({...}) do
         table.insert(self.traits, trait)
     end
 
@@ -85,13 +84,11 @@ function APLActor:Execute()
     -- If the actor is a sequencer we don't want to continue executing the APL if the sequencer is not finished
     if self:GetActor().sequencer then
         if self:GetActor().condition and self:GetActor().condition() and not self:GetActor().sequencer:Finished() then
-            print("Execute?")
             self:GetActor().sequencer:Execute()
             return true
         end
 
         if not self:GetActor().condition and not self:GetActor().sequencer:Finished() then
-            print("Execute?")
             self:GetActor().sequencer:Execute()
             return true
         end
@@ -111,13 +108,12 @@ function APLActor:Execute()
         if self:GetActor().condition then
             -- print("Bastion: APL:Execute: Condition for spell " .. self:GetActor().spell:GetName())
             self:GetActor().spell:CastableIf(self:GetActor().castableFunc):OnCast(self:GetActor().onCastFunc):Cast(
-                self:GetActor().target,
-                self:GetActor().condition)
+                self:GetActor().target, self:GetActor().condition)
         end
 
         -- print("Bastion: APL:Execute: No condition for spell " .. self:GetActor().spell:GetName())
-        self:GetActor().spell:CastableIf(self:GetActor().castableFunc):OnCast(self:GetActor().onCastFunc):Cast(self
-        :GetActor().target)
+        self:GetActor().spell:CastableIf(self:GetActor().castableFunc):OnCast(self:GetActor().onCastFunc):Cast(
+            self:GetActor().target)
     end
     if self:GetActor().item then
         if self:GetActor().condition then
@@ -189,7 +185,11 @@ end
 ---@param cb fun(...):any
 ---@return APLActor
 function APL:AddVariable(name, cb)
-    local actor = APLActor:New({ variable = name, cb = cb, _apl = self })
+    local actor = APLActor:New({
+        variable = name,
+        cb = cb,
+        _apl = self
+    })
     table.insert(self.apl, actor)
     return actor
 end
@@ -199,7 +199,10 @@ end
 ---@param cb fun(...):any
 ---@return APLActor
 function APL:AddAction(action, cb)
-    local actor = APLActor:New({ action = action, cb = cb })
+    local actor = APLActor:New({
+        action = action,
+        cb = cb
+    })
     table.insert(self.apl, actor)
     return actor
 end
@@ -234,7 +237,12 @@ function APL:AddItem(item, condition)
     local usableFunc = item.UsableIfFunc
     local target = item:GetTarget()
 
-    local actor = APLActor:New({ item = item, condition = condition, usableFunc = usableFunc, target = target })
+    local actor = APLActor:New({
+        item = item,
+        condition = condition,
+        usableFunc = usableFunc,
+        target = target
+    })
 
     table.insert(self.apl, actor)
 
@@ -249,7 +257,10 @@ function APL:AddAPL(apl, condition)
     if not condition then
         error("Bastion: APL:AddAPL: No condition for APL " .. apl.name)
     end
-    local actor = APLActor:New({ apl = apl, condition = condition })
+    local actor = APLActor:New({
+        apl = apl,
+        condition = condition
+    })
     table.insert(self.apl, actor)
     return actor
 end
@@ -259,12 +270,10 @@ function APL:Execute()
     for _, actor in ipairs(self.apl) do
         if actor:HasTraits() and actor:Evaluate() then
             if actor:Execute() then
-                print("BREAQK", actor)
                 break
             end
         else
             if actor:Execute() then
-                print("BREAQK", actor)
                 break
             end
         end
@@ -276,7 +285,10 @@ end
 ---@param condition fun(...):boolean
 ---@return APLActor
 function APL:AddSequence(sequencer, condition)
-    local actor = APLActor:New({ sequencer = sequencer, condition = condition })
+    local actor = APLActor:New({
+        sequencer = sequencer,
+        condition = condition
+    })
     table.insert(self.apl, actor)
     return actor
 end
diff --git a/src/Aura/Aura.lua b/src/Aura/Aura.lua
index 72bf052..056d488 100644
--- a/src/Aura/Aura.lua
+++ b/src/Aura/Aura.lua
@@ -1,5 +1,4 @@
 -- Document with emmy lua: https://emmylua.github.io/
-
 local Tinkr, Bastion = ...
 
 -- Create a new Aura class
@@ -66,19 +65,18 @@ function Aura:New(unit, index, type)
             timeMod = 0,
 
             index = nil,
-            type = nil,
+            type = nil
 
         }
 
         if self.aura.spellId then
-            Bastion.SpellBook:GetSpell(self.aura.spellId)
+            Bastion.Globals.SpellBook:GetSpell(self.aura.spellId)
         end
         return self
     end
 
-    local name, icon, count, dispelType, duration, expirationTime, source, isStealable, nameplateShowPersonal,
-    spellId, canApplyAura, isBossDebuff, castByPlayer, nameplateShowAll, timeMod = UnitAura(unit:GetOMToken(), index,
-        type)
+    local name, icon, count, dispelType, duration, expirationTime, source, isStealable, nameplateShowPersonal, spellId,
+        canApplyAura, isBossDebuff, castByPlayer, nameplateShowAll, timeMod = UnitAura(unit:GetOMToken(), index, type)
 
     local self = setmetatable({}, Aura)
     self.aura = {
@@ -100,10 +98,10 @@ function Aura:New(unit, index, type)
         auraInstanceID = nil,
 
         index = index,
-        type = type,
+        type = type
     }
     if self.aura.spellId then
-        Bastion.SpellBook:GetSpell(self.aura.spellId)
+        Bastion.Globals.SpellBook:GetSpell(self.aura.spellId)
     end
     return self
 end
@@ -132,11 +130,11 @@ function Aura:CreateFromUnitAuraInfo(unitAuraInfo)
         auraInstanceID = unitAuraInfo.auraInstanceID,
 
         index = nil,
-        type = unitAuraInfo.isHarmful and "HARMFUL" or "HELPFUL",
+        type = unitAuraInfo.isHarmful and "HARMFUL" or "HELPFUL"
     }
 
     -- Register spell in spellbook
-    Bastion.SpellBook:GetSpell(self.aura.spellId)
+    Bastion.Globals.SpellBook:GetSpell(self.aura.spellId)
     return self
 end
 
@@ -239,7 +237,7 @@ end
 -- Get the auras spell id
 ---@return Spell
 function Aura:GetSpell()
-    return Bastion.SpellBook:GetSpell(self.aura.spellId)
+    return Bastion.Globals.SpellBook:GetSpell(self.aura.spellId)
 end
 
 -- Get the auras can apply aura status
diff --git a/src/Class/Class.lua b/src/Class/Class.lua
index b1f3d11..69db919 100644
--- a/src/Class/Class.lua
+++ b/src/Class/Class.lua
@@ -18,12 +18,21 @@ function Class:__index(k)
     return response
 end
 
+---@class Class
+---@field class Class.class
+
+---@class Class.class
+---@field locale string
+---@field name string
+---@field id number
+
 -- Constructor
 ---@param locale string
 ---@param name string
 ---@param id number
 function Class:New(locale, name, id)
     local self = setmetatable({}, Class)
+
     self.class = {
         locale = locale,
         name = name,
@@ -50,10 +59,16 @@ function Class:GetID()
     return self.class.id
 end
 
+---@class ColorMixin
+---@field r number
+---@field g number
+---@field b number
+
 -- Return the classes color
 ---@return ColorMixin classColor
 function Class:GetColor()
     return C_ClassColor.GetClassColor(self.class.name)
 end
 
+
 return Class
diff --git a/src/Command/Command.lua b/src/Command/Command.lua
index 0e04436..03af256 100644
--- a/src/Command/Command.lua
+++ b/src/Command/Command.lua
@@ -1,6 +1,13 @@
 -- Create a wow command handler class
 ---@class Command
+---@field command string
+---@field commands Command.commands[]
 local Command = {}
+
+---@class Command.commands
+---@field helpmsg string
+---@field cb fun(args: table)
+
 Command.__index = Command
 
 ---@return string
diff --git a/src/Item/Item.lua b/src/Item/Item.lua
index 72c8ca0..fe0d8ef 100644
--- a/src/Item/Item.lua
+++ b/src/Item/Item.lua
@@ -54,7 +54,7 @@ function Item:New(id)
     local name, spellID = GetItemSpell(self:GetID())
     if spellID then
         self.spellID = spellID
-        Bastion.SpellBook:GetSpell(spellID)
+        Bastion.Globals.SpellBook:GetSpell(spellID)
     end
 
     return self
@@ -302,7 +302,7 @@ end
 -- Get the last use time
 ---@return number
 function Item:GetLastUseTime()
-    return Bastion.SpellBook:GetSpell(self:GetID()):GetLastCastTime()
+    return Bastion.Globals.SpellBook:GetSpell(self:GetID()):GetLastCastTime()
 end
 
 -- Get time since last use
@@ -430,7 +430,7 @@ end
 ---@return Spell | nil
 function Item:GetSpell()
     if self.spellID then
-        return Bastion.SpellBook:GetSpell(self.spellID)
+        return Bastion.Globals.SpellBook:GetSpell(self.spellID)
     end
 
     return nil
diff --git a/src/Library/Library.lua b/src/Library/Library.lua
new file mode 100644
index 0000000..3d0b2b8
--- /dev/null
+++ b/src/Library/Library.lua
@@ -0,0 +1,115 @@
+local Tinkr, Bastion = ...
+
+---@class Library
+---@field name string
+---@field dependencies table
+---@field exports table
+---@field resolved table
+local Library = {
+    name = nil,
+    dependencies = {},
+    exports = {
+        default = function()
+            return nil
+        end
+    },
+    resolved = nil
+}
+
+Library.__index = Library
+
+---@param name string
+---@param library table
+---@return Library
+function Library:New(library)
+    local self = {
+        name = library.name or nil,
+        dependencies = {},
+        exports = library.exports or {
+            default = function()
+                return nil
+            end
+        },
+        resolved = nil
+    }
+
+    self = setmetatable(self, Library)
+
+    return self
+end
+
+function Library:ResolveExport(export)
+    if type(export) == 'function' then
+        return export(self)
+    end
+
+    return export
+end
+
+function Library:Resolve()
+    if not self.exports then
+        error("Library " .. self.name .. " has no exports")
+    end
+
+    if self.resolved then
+        if self.exports.default then
+            return self.resolved[1], self.resolved[2]
+        end
+
+        return unpack(self.resolved)
+    end
+
+    if self.exports.default then
+        -- return default first if it exists
+        local default = self.exports.default
+        local remaining = {}
+        for k, v in pairs(self.exports) do
+            if k ~= 'default' then
+                remaining[k] = self:ResolveExport(v)
+            end
+        end
+
+        self.resolved = {self:ResolveExport(default), remaining}
+
+        return self.resolved[1], self.resolved[2]
+    end
+
+    self.resolved = {}
+
+    for k, v in pairs(self.exports) do
+        self.resolved[k] = self:ResolveExport(v)
+    end
+
+    return unpack(self.resolved)
+end
+
+function Library:DependsOn(other)
+    for _, dependency in pairs(self.dependencies) do
+        if dependency == other then
+            return true
+        end
+    end
+
+    return false
+end
+
+---@param library string
+function Library:Import(library)
+    local lib = Bastion:GetLibrary(library)
+
+    if not lib then
+        error("Library " .. library .. " does not exist")
+    end
+
+    if not table.contains(self.dependencies, library) then
+        table.insert(self.dependencies, library)
+    end
+
+    if lib:DependsOn(self.name) then
+        error("Circular dependency detected between " .. self.name .. " and " .. library)
+    end
+
+    return lib:Resolve()
+end
+
+return Library
diff --git a/src/List/List.lua b/src/List/List.lua
index 421567f..1921466 100644
--- a/src/List/List.lua
+++ b/src/List/List.lua
@@ -1,5 +1,3 @@
-local Tinkr, Bastion = ...
-
 ---@class List
 local List = {
     -- Add overload
@@ -144,7 +142,7 @@ function List:findIndex(callback)
     return nil
 end
 
----@param callback fun(value: any): boolean
+---@param callback fun(...): boolean
 ---@return nil
 function List:sort(callback)
     table.sort(self._list, callback)
diff --git a/src/MythicPlusUtils/MythicPlusUtils.lua b/src/MythicPlusUtils/MythicPlusUtils.lua
index f131c74..f3222b5 100644
--- a/src/MythicPlusUtils/MythicPlusUtils.lua
+++ b/src/MythicPlusUtils/MythicPlusUtils.lua
@@ -17,6 +17,7 @@ MythicPlusUtils.__index = MythicPlusUtils
 function MythicPlusUtils:New()
     local self = setmetatable({}, MythicPlusUtils)
 
+    ---@diagnostic disable-next-line: assign-type-mismatch
     self.random = math.random(1000000, 9999999)
 
     self.aoeBosses = {
@@ -429,7 +430,7 @@ function MythicPlusUtils:New()
         }
     }
 
-    Bastion.EventManager:RegisterWoWEvent('UNIT_AURA', function(unit, auras)
+    Bastion.Globals.EventManager:RegisterWoWEvent('UNIT_AURA', function(unit, auras)
         if not self.debuffLogging then
             return
         end
@@ -452,7 +453,7 @@ function MythicPlusUtils:New()
         end
     end)
 
-    Bastion.EventManager:RegisterWoWEvent('UNIT_SPELLCAST_START', function(unitTarget, castGUID, spellID)
+    Bastion.Globals.EventManager:RegisterWoWEvent('UNIT_SPELLCAST_START', function(unitTarget, castGUID, spellID)
         if not self.castLogging then
             return
         end
@@ -471,7 +472,7 @@ function MythicPlusUtils:New()
         ]], true)
     end)
 
-    Bastion.EventManager:RegisterWoWEvent('UNIT_SPELLCAST_CHANNEL_START', function(unitTarget, castGUID, spellID)
+    Bastion.Globals.EventManager:RegisterWoWEvent('UNIT_SPELLCAST_CHANNEL_START', function(unitTarget, castGUID, spellID)
         if not self.castLogging then
             return
         end
@@ -567,8 +568,4 @@ function MythicPlusUtils:IsAOEBoss(unit)
     return self.aoeBosses[unit:GetID()]
 end
 
-function MythicPlusUtils:IsTankBuster(spell)
-    return self.tankBusters[spell:GetID()]
-end
-
 return MythicPlusUtils
diff --git a/src/ObjectManager/ObjectManager.lua b/src/ObjectManager/ObjectManager.lua
index 1aaca3d..8e21b53 100644
--- a/src/ObjectManager/ObjectManager.lua
+++ b/src/ObjectManager/ObjectManager.lua
@@ -1,6 +1,11 @@
 local Tinkr, Bastion = ...
 
 ---@class ObjectManager
+---@field _lists table
+---@field enemies List
+---@field friends List
+---@field activeEnemies List
+---@field explosives List
 local ObjectManager = {}
 ObjectManager.__index = ObjectManager
 
@@ -20,7 +25,7 @@ end
 -- Register a custom list with a callback
 ---@param name string
 ---@param cb function
----@return List
+---@return List | false
 function ObjectManager:RegisterList(name, cb)
     if self._lists[name] then
         return false
diff --git a/src/Sequencer/Sequencer.lua b/src/Sequencer/Sequencer.lua
index bb688e3..be1c567 100644
--- a/src/Sequencer/Sequencer.lua
+++ b/src/Sequencer/Sequencer.lua
@@ -1,5 +1,4 @@
 -- Create a sequencer class that takes a table of actions and executes them in order
-
 ---@class Sequencer
 ---@field resetCondition fun(): boolean
 ---@field abortCondition fun(): boolean
@@ -45,12 +44,10 @@ end
 ---@return boolean
 function Sequencer:Next()
     if self:Finished() then
-        print("Its finished?")
         return false
     end
 
     local action = self.actions[self.index]
-    print("Attempting action: " .. self.index .. "")
     if action(self) then
         self.index = self.index + 1
         return true
diff --git a/src/Unit/Unit.lua b/src/Unit/Unit.lua
index 400cb9c..8c10a46 100644
--- a/src/Unit/Unit.lua
+++ b/src/Unit/Unit.lua
@@ -422,7 +422,7 @@ function Unit:GetCastingOrChannelingSpell()
     end
 
     if name then
-        return Bastion.SpellBook:GetSpell(spellId)
+        return Bastion.Globals.SpellBook:GetSpell(spellId)
     end
 
     return nil
@@ -505,7 +505,7 @@ end
 
 -- Check if unit is interruptible
 ---@param percent number
----@param ignoreInterruptible boolean
+---@param ignoreInterruptible? boolean
 ---@return boolean
 function Unit:IsInterruptibleAt(percent, ignoreInterruptible)
     if not ignoreInterruptible and not self:IsInterruptible() then
@@ -926,13 +926,12 @@ end
 -- IsStealthed
 ---@return boolean
 function Unit:IsStealthed()
-    local Stealth = Bastion.SpellBook:GetSpell(1784)
-    local Vanish = Bastion.SpellBook:GetSpell(1856)
-    local ShadowDance = Bastion.SpellBook:GetSpell(185422)
-    local Subterfuge = Bastion.SpellBook:GetSpell(115192)
-    local Shadowmeld = Bastion.SpellBook:GetSpell(58984)
-    local Sepsis = Bastion.SpellBook:GetSpell(328305)
-
+    local Stealth = Bastion.Globals.SpellBook:GetSpell(1784)
+    local Vanish = Bastion.Globals.SpellBook:GetSpell(1856)
+    local ShadowDance = Bastion.Globals.SpellBook:GetSpell(185422)
+    local Subterfuge = Bastion.Globals.SpellBook:GetSpell(115192)
+    local Shadowmeld = Bastion.Globals.SpellBook:GetSpell(58984)
+    local Sepsis = Bastion.Globals.SpellBook:GetSpell(328305)
 
     return self:GetAuras():FindAny(Stealth) or self:GetAuras():FindAny(ShadowDance)
 end
@@ -960,7 +959,7 @@ end
 
 ---@return nil
 function Unit:WatchForSwings()
-    Bastion.EventManager:RegisterWoWEvent("COMBAT_LOG_EVENT_UNFILTERED", function()
+    Bastion.Globals.EventManager:RegisterWoWEvent("COMBAT_LOG_EVENT_UNFILTERED", function()
         local _, subtype, _, sourceGUID, sourceName, _, _, destGUID, destName, destFlags, _, spellID, spellName, _, amount, interrupt, a, b, c, d, offhand, multistrike =
             CombatLogGetCurrentEventInfo()
 
@@ -1107,6 +1106,7 @@ end
 ---@param Target Unit
 ---@param Angle number
 ---@param Distance number
+---@param rotation? number
 ---@return boolean
 function Unit:IsWithinCone(Target, Angle, Distance, rotation)
     if not Target:Exists() then
@@ -1114,7 +1114,7 @@ function Unit:IsWithinCone(Target, Angle, Distance, rotation)
     end
 
     local angle = self:GetAngle(Target)
-    local rotation = rotation or self:GetFacing()
+    rotation = rotation or self:GetFacing()
 
     local diff = math.abs(angle - rotation)
 
diff --git a/src/_bastion.lua b/src/_bastion.lua
index 7a887f2..d71d558 100644
--- a/src/_bastion.lua
+++ b/src/_bastion.lua
@@ -7,13 +7,17 @@ local Bastion = {
 Bastion.__index = Bastion
 
 function Bastion.require(class)
-    return Tinkr:require("scripts/bastion/src/" .. class .. "/" .. class, Bastion)
+    return require("scripts/bastion/src/" .. class .. "/" .. class, Bastion)
 end
 
+Bastion.Globals = {}
+
 ---@type ClassMagic
 Bastion.ClassMagic = Bastion.require("ClassMagic")
 ---@type List
 Bastion.List = Bastion.require("List")
+---@type Library
+Bastion.Library = Bastion.require("Library")
 ---@type NotificationsList, Notification
 Bastion.NotificationsList, Bastion.Notification = Bastion.require("NotificationsList")
 ---@type Vector3
@@ -41,15 +45,18 @@ Bastion.UnitManager = Bastion.require("UnitManager"):New()
 ---@type ObjectManager
 Bastion.ObjectManager = Bastion.require("ObjectManager"):New()
 ---@type EventManager
-Bastion.EventManager = Bastion.require("EventManager"):New()
+Bastion.EventManager = Bastion.require("EventManager")
+Bastion.Globals.EventManager = Bastion.EventManager:New()
 ---@type Spell
 Bastion.Spell = Bastion.require("Spell")
 ---@type SpellBook
-Bastion.SpellBook = Bastion.require("SpellBook"):New()
+Bastion.SpellBook = Bastion.require("SpellBook")
+Bastion.Globals.SpellBook = Bastion.SpellBook:New()
 ---@type Item
 Bastion.Item = Bastion.require("Item")
 ---@type ItemBook
-Bastion.ItemBook = Bastion.require("ItemBook"):New()
+Bastion.ItemBook = Bastion.require("ItemBook")
+Bastion.Globals.ItemBook = Bastion.ItemBook:New()
 ---@type AuraTable
 Bastion.AuraTable = Bastion.require("AuraTable")
 ---@type Class
@@ -62,10 +69,13 @@ Bastion.CombatTimer = Bastion.Timer:New('combat')
 Bastion.MythicPlusUtils = Bastion.require("MythicPlusUtils"):New()
 ---@type NotificationsList
 Bastion.Notifications = Bastion.NotificationsList:New()
-Bastion.modules = {}
+
+local LIBRARIES = {}
+local MODULES = {}
+
 Bastion.Enabled = false
 
-Bastion.EventManager:RegisterWoWEvent('UNIT_AURA', function(unit, auras)
+Bastion.Globals.EventManager:RegisterWoWEvent('UNIT_AURA', function(unit, auras)
     local u = Bastion.UnitManager[unit]
 
     if u then
@@ -73,10 +83,10 @@ Bastion.EventManager:RegisterWoWEvent('UNIT_AURA', function(unit, auras)
     end
 end)
 
-Bastion.EventManager:RegisterWoWEvent("UNIT_SPELLCAST_SUCCEEDED", function(...)
+Bastion.Globals.EventManager:RegisterWoWEvent("UNIT_SPELLCAST_SUCCEEDED", function(...)
     local unit, castGUID, spellID = ...
 
-    local spell = Bastion.SpellBook:GetIfRegistered(spellID)
+    local spell = Bastion.Globals.SpellBook:GetIfRegistered(spellID)
 
     if unit == "player" and spell then
         spell.lastCastAt = GetTime()
@@ -89,8 +99,9 @@ end)
 
 local pguid = UnitGUID("player")
 local missed = {}
-Bastion.EventManager:RegisterWoWEvent("COMBAT_LOG_EVENT_UNFILTERED", function()
-    local args = { CombatLogGetCurrentEventInfo() }
+
+Bastion.Globals.EventManager:RegisterWoWEvent("COMBAT_LOG_EVENT_UNFILTERED", function()
+    local args = {CombatLogGetCurrentEventInfo()}
 
     local subEvent = args[2]
     local sourceGUID = args[4]
@@ -132,6 +143,7 @@ Bastion.EventManager:RegisterWoWEvent("COMBAT_LOG_EVENT_UNFILTERED", function()
         end
     end
 end)
+
 Bastion.Ticker = C_Timer.NewTicker(0.1, function()
     if not Bastion.CombatTimer:IsRunning() and UnitAffectingCombat("player") then
         Bastion.CombatTimer:Start()
@@ -141,22 +153,22 @@ Bastion.Ticker = C_Timer.NewTicker(0.1, function()
 
     if Bastion.Enabled then
         Bastion.ObjectManager:Refresh()
-        for i = 1, #Bastion.modules do
-            Bastion.modules[i]:Tick()
+        for i = 1, #MODULES do
+            MODULES[i]:Tick()
         end
     end
 end)
 
 function Bastion:Register(module)
-    table.insert(Bastion.modules, module)
+    table.insert(MODULES, module)
     Bastion:Print("Registered", module)
 end
 
 -- Find a module by name
 function Bastion:FindModule(name)
-    for i = 1, #Bastion.modules do
-        if Bastion.modules[i].name == name then
-            return Bastion.modules[i]
+    for i = 1, #MODULES do
+        if MODULES[i].name == name then
+            return MODULES[i]
         end
     end
 
@@ -164,7 +176,7 @@ function Bastion:FindModule(name)
 end
 
 function Bastion:Print(...)
-    local args = { ... }
+    local args = {...}
     local str = "|cFFDF362D[Bastion]|r |cFFFFFFFF"
     for i = 1, #args do
         str = str .. tostring(args[i]) .. " "
@@ -176,7 +188,7 @@ function Bastion:Debug(...)
     if not Bastion.DebugMode then
         return
     end
-    local args = { ... }
+    local args = {...}
     local str = "|cFFDF6520[Bastion]|r |cFFFFFFFF"
     for i = 1, #args do
         str = str .. tostring(args[i]) .. " "
@@ -203,13 +215,16 @@ Command:Register('debug', 'Toggle debug mode on/off', function()
         Bastion:Print("Debug mode disabled")
     end
 end)
+
 Command:Register('dumpspells', 'Dump spells to a file', function()
     local i = 1
     local rand = math.random(100000, 999999)
     while true do
         local spellName, spellSubName = GetSpellBookItemName(i, BOOKTYPE_SPELL)
         if not spellName then
-            do break end
+            do
+                break
+            end
         end
 
         -- use spellName and spellSubName here
@@ -218,7 +233,7 @@ Command:Register('dumpspells', 'Dump spells to a file', function()
         if spellID then
             spellName = spellName:gsub("[%W%s]", "")
             WriteFile('bastion-' .. UnitClass('player') .. '-' .. rand .. '.lua',
-                "local " .. spellName .. " = Bastion.SpellBook:GetSpell(" .. spellID .. ")", true)
+                "local " .. spellName .. " = Bastion.Globals.SpellBook:GetSpell(" .. spellID .. ")", true)
         end
         i = i + 1
     end
@@ -264,11 +279,91 @@ Command:Register('missed', 'Dump the list of immune kidney shot spells', functio
     end
 end)
 
-local files = ListFiles("scripts/bastion/scripts")
+local function Load(dir)
+    local files = ListFiles(dir)
 
-for i = 1, #files do
-    local file = files[i]
-    if file:sub(-4) == ".lua" or file:sub(-5) == '.luac' then
-        Tinkr:require("scripts/bastion/scripts/" .. file:sub(1, -5), Bastion)
+    for i = 1, #files do
+        local file = files[i]
+        if file:sub(-4) == ".lua" or file:sub(-5) == '.luac' then
+            require(dir .. file:sub(1, -5), Bastion)
+        end
     end
 end
+
+---@param library Library
+function Bastion:RegisterLibrary(library)
+    LIBRARIES[library.name] = library
+end
+
+function Bastion:CheckLibraryDependencies()
+    for k, v in pairs(LIBRARIES) do
+        if v.dependencies then
+            for i = 1, #v.dependencies do
+                local dep = v.dependencies[i]
+                if LIBRARIES[dep] then
+                    if LIBRARIES[dep].dependencies then
+                        for j = 1, #LIBRARIES[dep].dependencies do
+                            if LIBRARIES[dep].dependencies[j] == v.name then
+                                Bastion:Print("Circular dependency detected between " .. v.name .. " and " .. dep)
+                                return false
+                            end
+                        end
+                    end
+                else
+                    Bastion:Print("Library " .. v.name .. " depends on " .. dep .. " but it's not registered")
+                    return false
+                end
+            end
+        end
+    end
+
+    return true
+end
+
+function Bastion:Import(library)
+    local lib = self:GetLibrary(library)
+
+    if not lib then
+        error("Library " .. library .. " not found")
+    end
+
+    return lib:Resolve()
+end
+
+function Bastion:GetLibrary(name)
+    if not LIBRARIES[name] then
+        error("Library " .. name .. " not found")
+    end
+
+    local library = LIBRARIES[name]
+
+    -- if library.dependencies then
+    --     for i = 1, #library.dependencies do
+    --         local dep = library.dependencies[i]
+    --         if LIBRARIES[dep] then
+    --             if LIBRARIES[dep].dependencies then
+    --                 for j = 1, #LIBRARIES[dep].dependencies do
+    --                     if LIBRARIES[dep].dependencies[j] == library.name then
+    --                         Bastion:Print("Circular dependency detected between " .. library.name .. " and " .. dep)
+    --                         return false
+    --                     end
+    --                 end
+    --             end
+    --         else
+    --             Bastion:Print("Library " .. v.name .. " depends on " .. dep .. " but it's not registered")
+    --             return false
+    --         end
+    --     end
+    -- end
+
+    return library
+end
+
+Load("scripts/bastion/scripts/Libraries/")
+
+-- if not Bastion:CheckLibraryDependencies() then
+--     return
+-- end
+
+Load("scripts/bastion/scripts/Modules/")
+Load("scripts/bastion/scripts/")