Immutable Form. The golem is immune to any spell or effect that would alter its form.

Lightning Absorption. Whenever the golem is subjected to lightning damage, it takes no damage and instead regains a number of hit points equal to the lightning damage dealt.

Fire Absorbtion. Whenever the golem is subjected to fire damage, it takes no damage and instead regains a number of hit points equal to the fire damage dealt.

Poison Absorbtion. Whenever the golem is subjected to poison damage, it takes no damage and instead regains a number of hit points equal to the poison damage dealt.

Thunder Absorbtion. Whenever the golem is subjected to thunder damage, it takes no damage and instead regains a number of hit points equal to the thunder damage dealt.

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 slam attacks.

Slam. Melee Weapon Attack: +10 to hit, reach 15 ft., one target. Hit: 35 (4d10 + 15) bludgeoning damage.

The Golem can create 24 pounds of edible bacon per day. Not sure why, or how, but it's a pretty awesome feature.