Multiattack

Three Slam attacks.

Slam

Melee Weapon Attack: +10 to hit, 10 ft., one target, 20 (4d6+6) bludgeoning damage and target: DC 16 Str save or pushed up to 10 ft. away from it and knocked prone.

Shatterstone (Recharge 5-6)

Hurls enchanted rock at point it can see within 60' of it. Rock shatters on impact and each creature within 10 ft. of that point: 44 (8d10) slashing damage (DC 16 Dex half).

Spellcasting

Cha (DC 14) no material components: At will: entangle speak with plants stone shape2/day: plant growth