Slam

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 12 (2d8 + 3) bludgeoning damage.

Whirlwind (Recharge 5-6)

Each creature in the bilwis' space and within 5 feet of it must make a DC 12 Strength saving throw. On a failure, a target takes 14 (4d6) bludgeoning damage and is knocked prone. On a success, a target takes half the bludgeoning damage and isn't knocked prone.