Animated Colossus

Animate one Huge unattended object or mass of material within range into a colossus. The colossus is friendly to you and obeys your commands. It has AC 18, hit points equal to 120 + twice your INT modifier, a speed of 30 ft., and can move through nonmagical difficult terrain. As a bonus action, you command it to move and make one slam attack for 36 (8d8) bludgeoning damage, or to force creatures in a 15-ft. cone to make a STR save or be pushed 20 ft. and knocked prone.