diff --git a/src/classes/Dependency.py b/src/classes/Dependency.py
new file mode 100644
index 0000000..378981a
--- /dev/null
+++ b/src/classes/Dependency.py
@@ -0,0 +1,47 @@
+#
+
+from itertools import chain
+
+_dependencies = {}
+_dependent_vars = set()
+
+def addDependency(dep1: str, dep2: str):
+    global _dependencies, _dependent_vars
+    if dep1 in _dependencies.keys():
+        if not dep2 in _dependencies[dep1]:
+            _dependencies[dep1].append(dep2)
+            #print(f"Appending DEP: {dep1} -> {dep2}")
+    else:
+        _dependencies[dep1] = [dep2]
+        #print(f"Adding DEP: {dep1} -> {dep2}")
+    _dependent_vars = set(chain.from_iterable(_dependencies.values()))
+    #print("DV: \n", _dependent_vars)
+
+def getDependentVars():
+    return _dependent_vars
+
+def getDependencies():
+    return _dependencies
+
+class Dependency:
+    def _reset_dependent_vars(self, name: str):
+        #print(f"DEP\n{_dependencies}")
+        for var in _dependencies[name]:
+            #print(f"Resetting: {var} (due to {name})")
+            try:
+                super().__delattr__(f"{var}")
+            except:
+                #print(f"FAIL")
+                pass
+            if var in _dependencies:
+                self._reset_dependent_vars(var)
+
+    def __setattr__(self, name: str, value):
+        global _dependencies, _dependent_vars
+        if name in _dependent_vars:
+            raise AttributeError("Cannot set this value.")
+        if name in _dependencies:
+            self._reset_dependent_vars(name)
+            name = f"_{name}"
+        #print(f"Setting {name} to {value}")
+        super().__setattr__(name, value)
diff --git a/src/classes/ModDB.py b/src/classes/ModDB.py
new file mode 100644
index 0000000..00bf0b2
--- /dev/null
+++ b/src/classes/ModDB.py
@@ -0,0 +1,68 @@
+#
+
+from Modifiers import Modifier
+
+class ModifierDatabase:
+    def __init__(self, owner = None):
+        self.owner = owner
+        self.clear()
+
+    def addEntry(self, entry: Modifier):
+        name = entry.name
+        type = entry.type
+        if name not in self.db.keys():
+            self.db[name] = dict()
+        if type not in self.db[name].keys():
+            self.db[name][type] = [entry]
+        else:
+            if not entry in self.db[name][type]:
+                self.db[name][type].append(entry)
+
+    def getBase(self, name: str):
+        retVal = 0
+        if name in self.db.keys() and "BASE" in self.db[name].keys():
+            for entry in self.db[name]["BASE"]:
+                retVal += entry.getValue(self.owner)
+            return retVal
+        return 0
+
+    def getFlat(self, name: str):
+        retVal = 0
+        if name in self.db.keys() and "FLAT" in self.db[name].keys():
+            for entry in self.db[name]["FLAT"]:
+                retVal += entry.getValue(self.owner)
+            return retVal
+        return 0
+
+    def getInc(self, name: str):
+        retVal = 0
+        if name in self.db.keys() and "INC" in self.db[name].keys():
+            for entry in self.db[name]["INC"]:
+                retVal += entry.getValue(self.owner)
+            return retVal
+        return retVal
+
+    def getMore(self, name: str):
+        retVal = 0
+        if name in self.db.keys() and "MORE" in self.db[name].keys():
+            for entry in self.db[name]["MORE"]:
+                retVal += entry.getValue(self.owner)
+            return retVal
+        return retVal
+
+    def clear(self):
+        self.db = dict()
+
+def test():
+    db = ModifierDatabase()
+    mod1 = Modifier("Health", "BASE", 12, "", tags = { "type": "Multiplier", "var": "Level" })
+    mod2 = Modifier("Health", "BASE", 13, "")
+    db.addEntry(mod1)
+    db.addEntry(mod2)
+    import pprint
+    pprint.pprint(db.db)
+
+    print("BASE: " + str(db.getBase("Health")))
+
+if __name__ == "__main__":
+    test()
diff --git a/src/classes/Modifiers.py b/src/classes/Modifiers.py
new file mode 100644
index 0000000..fe10884
--- /dev/null
+++ b/src/classes/Modifiers.py
@@ -0,0 +1,44 @@
+#
+
+from Dependency import addDependency, _dependencies
+from math import floor
+
+class Modifier:
+    def __init__(self, name: str, type: str, value, source: str, conditionals: set = set(), tags: dict = {}):
+        self.name = name
+        self.type = type
+        self.value = value
+        self.source = source
+        self.conditionals = conditionals
+        self.tags = tags
+        self.process()
+
+    def process(self):
+        if 'type' in self.tags.keys() and self.tags['type'] == "Multiplier":
+            addDependency(self.tags['var'].lower(), f"{self.type.lower()}_{self.name.lower()}")
+        addDependency(f"{self.type.lower()}_{self.name.lower()}", f"max_{self.name.lower()}")
+        #print(self)
+
+    def getValue(self, caller = None):
+        if caller:
+            #print(f"getting var: {self.name}:{self.type}")
+            if 'type' in self.tags.keys() and self.tags['type'] == "Multiplier":
+                var = f"{self.tags['var'].lower()}"
+                l = caller.__getattribute__(var)
+                #print(f"{var}: {l}")
+                return floor(self.value * l)
+            return self.value
+        return self.value
+
+    def __repr__(self):
+        ret = f"{self.name}:{self.type}\n"
+        ret += f"Value: {self.value}\n"
+        ret += f"{self.tags} -- {self.source}"
+        return ret
+
+def test():
+    m = Modifier("Health", "BASE", 12, "", tags = { "type": "Multiplier", "var": "Level" })
+    print(m)
+
+if __name__ == "__main__":
+    test()
diff --git a/src/classes/Player.py b/src/classes/Player.py
new file mode 100644
index 0000000..cad8f39
--- /dev/null
+++ b/src/classes/Player.py
@@ -0,0 +1,114 @@
+#
+
+from functools import cached_property
+from math import floor
+
+from Dependency import Dependency, getDependencies
+from ModDB import ModifierDatabase
+from Modifiers import Modifier
+
+class Player(Dependency):
+    def __init__(self, level, strength):
+        self.modDB = ModifierDatabase(self)
+        self._level = level
+
+        self.addMod(Modifier("Health", "BASE", 12, "Base Per Level", tags = { "type": "Multiplier", "var": "Level" }))
+        self.addMod(Modifier("Health", "BASE", 0.5, "Base Per Strength", tags = { "type": "Multiplier", "var": "Max_Strength"}))
+        self.addMod(Modifier("Strength", "BASE", strength, "Starting"))
+
+    def addMod(self, mod: Modifier):
+        self.modDB.addEntry(mod)
+        attr = f"{mod.type.lower()}_{mod.name.lower()}"
+        try:
+            self.__delattr__(f"{attr}")
+        except:
+            #print("FAIL")
+            pass
+        if attr in getDependencies():
+            self._reset_dependent_vars(attr)
+
+    @cached_property
+    def base_health(self):
+        #ret = 38 + self.level * 12 + floor(self.max_strength / 2) + self.flat_health
+        ret = 38 + self.modDB.getBase("Health") + self.flat_health
+        print(f"BASE Health calculated: {ret}")
+        return ret
+
+    @cached_property
+    def max_health(self):
+        ret = floor(self.base_health * (1 + self.inc_health / 100) * (1 + self.more_health / 100))
+        print(f"Total Health calculated: {ret}")
+        return ret
+
+    @cached_property
+    def base_strength(self):
+        ret = self.modDB.getBase("Strength")
+        print(f"BASE Strength calculated: {ret}")
+        return ret
+
+    @cached_property
+    def max_strength(self):
+        ret = floor((self.base_strength + self.flat_strength) * (1 + self.inc_strength / 100) * (1 + self.more_strength / 100))
+        print(f"Total Strength calculated: {ret}")
+        return ret
+
+    @property
+    def level(self):
+        return self._level
+
+    @cached_property
+    def flat_health(self):
+        ret = self.modDB.getFlat("Health")
+        print(f"FLAT Health calculated: {ret}")
+        return ret
+
+    @cached_property
+    def more_health(self):
+        ret = self.modDB.getMore("Health")
+        print(f"MORE Health calculated: {ret}")
+        return ret
+
+    @cached_property
+    def inc_health(self):
+        ret = self.modDB.getInc("Health")
+        print(f"INC Health calculated: {ret}")
+        return ret
+
+    @cached_property
+    def flat_strength(self):
+        ret = self.modDB.getFlat("Strength")
+        print(f"FLAT Strength calculated: {ret}")
+        return ret
+
+    @cached_property
+    def more_strength(self):
+        ret = self.modDB.getMore("Strength")
+        print(f"MORE Strength calculated: {ret}")
+        return ret
+
+    @cached_property
+    def inc_strength(self):
+        ret = self.modDB.getInc("Strength")
+        print(f"INC Strength calculated: {ret}")
+        return ret
+
+def test():
+    player = Player(1, 20)
+    #print(f"{player.base_health}\n")
+    print(f"{player.max_health}\n")
+
+    player.level = 5
+    print(f"{player.max_health}\n")
+
+    player.addMod(Modifier("Health", "MORE", 100, ""))
+    print(f"{player.max_health}\n")
+
+    player.addMod(Modifier("Strength", "FLAT", 100, ""))
+    player.addMod(Modifier("Strength", "INC", 30, ""))
+    player.addMod(Modifier("Strength", "MORE", 15, ""))
+    player.addMod(Modifier("Health", "FLAT", 500, ""))
+    #print(f"{player.max_strength}\n")
+    print(f"{player.max_health}\n")
+
+if __name__ == "__main__":
+    test()
diff --git a/src/classes/__init__.py b/src/classes/__init__.py
new file mode 100644
index 0000000..e69de29