Berserk

The target must make a Wisdom saving throw. On a failure the target goes berserk. They gain temporary hit points equal to your proficiency bonus, and have advantage on all melee attacks.

The target must use their action each round to attack the nearest creature with a melee attack using it's movement to reach them if needed. If the target can make extra attacks as part of the attack action, they must use those extra attacks, moving to attack the nearest creature after felling the current creature. If they have multiple possible targets, they attack one at random. The target remains berzerk until they start their turn with no creatures within 60 feet of them that they can see or hear.