Psychic Backlash. When a creature hits the golem with a melee or ranged attack, the attacker takes 2d6 psychic damage.
Siege. The golem armor deals double damage to objects and structures.
Psychic Link. The golem armor uses the senses and mental ability scores of the user as if it were its own. In addition, any attacks the golem makes uses the spell attack modifier for attack rolls and the spell save DC for other abilities.
Smash. Melee Weapon Attack: +your spell attack modifier to hit, reach 15 ft., one target. Hit 24(3d10+8) bludgeoning damage plus 18 (4d8) force damage.
Lash. (Recharge 5-6) The golem pulls one of the strings of the planar sea to reverberate violently. As a result, a blast wave in the form of a 30-foot cone emanates from the golem. Each creature in the area must make a dexterity saving throw. The DC is calculated using your spell save. On a failed save, the target takes 28 (8d6) force damage and are pushed back 30 feet. On a successful save, the creature takes half damage and is not pushed back.