# Medium Armor Master *Source: Player's Handbook (2024) p. 205* **Prerequisite**: 4th, Proficiency with medium armor You gain the following benefits. **Ability Score Increase.** Increase your Strength or Dexterity by 1, to a maximum of 20. **Dexterous Wearer.** While you're wearing Medium armor, you can add 3, rather than 2 to your AC if you have a Dexterity score of 16 or higher.