diff --git a/roguebasin/components.py b/roguebasin/components.py
new file mode 100644
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+++ b/roguebasin/components.py
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+# Eryn Wells <eryn@erynwells.me>
+
+from typing import Optional
+
+# pylint: disable=too-few-public-methods
+class Component:
+    '''A base, abstract Component that implement some aspect of an Entity's behavior.'''
+
+class Fighter(Component):
+    '''A Fighter is an Entity that can fight. That is, it has hit points (health), attack, and defense.
+
+    Attributes
+    ----------
+    maximum_hit_points : int
+        Maximum number of hit points the Fighter can have. In almost every case, a Fighter will be spawned with this
+        many hit points.
+    attack_power : int
+        The amount of damage the Figher can do.
+    defense : int
+        The amount of damage the Fighter can deflect or resist.
+    hit_points : int
+        The current number of hit points remaining. When this reaches 0, the Fighter dies.
+    '''
+
+    def __init__(self, *, maximum_hit_points: int, attack_power: int, defense: int, hit_points: Optional[int] = None):
+        self.maximum_hit_points = maximum_hit_points
+        self.__hit_points = hit_points if hit_points else maximum_hit_points
+        # TODO: Rename these two attributes something better
+        self.attack_power = attack_power
+        self.defense = defense
+
+    @property
+    def hit_points(self) -> int:
+        '''Number of hit points remaining. When a Fighter reaches 0 hit points, they die.'''
+        return self.__hit_points
+
+    @hit_points.setter
+    def hit_points(self, value: int) -> None:
+        self.__hit_points = min(self.maximum_hit_points, max(0, value))
+
+    @property
+    def is_dead(self) -> bool:
+        '''True if the Fighter has died, i.e. reached 0 hit points'''
+        return self.__hit_points == 0