Multiattack

The living colossus makes three Slam attacks, or it makes four Spirit Blast attacks.

Slam

_Melee Weapon Attack:_ +15 to hit, reach 5 ft., one target. _Hit:_ 32 (4d10+10) bludgeoning damage.

Spirit Blast

_Ranged Spell Attack:_ +11 to hit, range 120 ft., one target. _Hit:_ 24 (4d8+6) psychic damage.

Thunderous Clap (Recharge 5-6)

The living colossus slams its hands together, creating a thunderous wave in a 30-foot cone. Each creature in that area must make a DC 18 CON save, taking 59 (17d6) thunder damage on a failed save, or half as much damage on a successful one.