Yamato

Necromancy Casting Time: 1 reaction, which you take in response to taking damage from a creature within 5 feet of you that you can see Range: Self Components: V, S Duration: Instantaneous When an enemy lands a blow, you channel your pain into a powerful counterattack. You immediately make a melee weapon attack against the creature that harmed you. If you hit, the attack deals an additional 3d8 necrotic damage, and the creature must succeed on a Constitution saving throw or have disadvantage on its next attack roll. This cantrip turns your foe's aggression against them, ensuring they pay dearly for their strike.