Fire Hardened. Whenever the golem is subjected to fire damage, it becomes resistant to all bludgeoning, piercing, and slashing damage for the next minute.
Immutable Form. The golem is immune to any spell or effect that would alter its form.
Magic Resistance. The golem has advantage on saving throws against spells and other magical effects.
Magic Weapons. The golem's weapon attacks are magical.
Multiattack. The golem makes two melee attacks.
Slam. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 16 (2d10 + 5) bludgeoning damage.
Brick Grip. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 10 (1d10 +5) bludgeoning damage. If the target is medium or smaller the creature is grappled (escape DC 15). The golem can have no more than two creatures grappled this way at a time.
Strong Grip. When a creature grappled by the golem tries to escape and fails, the golem can choose to deal them 10 (1d10 +5) bludgeoning damage.