Multiattack

The ring servant makes two slam attacks.

Slam

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 18 (3d8 + 5) bludgeoning damage. The target must succeed on a DC 16 Strength saving throw or be knocked prone.

Ring of Destruction (Recharge 5-6)

The ring servant discharges a spinning ring of magical energy. Each creature within 20 feet of the servant must make a DC 16 Dexterity saving throw, taking 45 (10d8) force damage on a failed save, or half as much damage on a successful one.