Undead Slayer

You have practiced techniques useful in combat against undead, gaining the following benefits:

• When you reduce an undead to 0 hit points, it automatically fails its undead fortitude saving throw.

• When an undead makes an attack against you, you can use your reaction to make a weapon attack against the attacking creature.

• You can spend a bonus action to gain advantage on weapon attack rolls against undead creatures until the beginning of your next turn.