# Defense *Source: Player's Handbook (2024) p. 209. Available in the <span title='Systems Reference Document (5.2)'>SRD</span> and the Free Rules (2024)* **Prerequisite**: Fighting Style Feature While you're wearing Light, Medium, or Heavy armor, you gain a +1 bonus to [Armor Class](/Rules/Source/variant-rules/armor-class-xphb.md).