Immutable Form. The golem can’t shape-shift.
Magic Resistance. The golem has Advantage on saving throws against spells and other magical effects.
Multiattack. The Tallow Golem makes two Slam attacks.
Slam. Melee Weapon Attack: +9 to hit, reach 5 ft., one creature. Hit: 7 (1d8 + 2) bludgeoning damage.
Grab. The tallow golem must hit an opponent up to its own size or smaller with a slam attack. It can then attempt to start a grapple as a free action without provoking an attack of opportunity. If it wins the grapple check, the tallow golem establishes a hold.
Absorption. A tallow golem can break down and absorb fluids from a living victim by making a successful grapple check. If it pins the foe, it deals 1d4 points of Constitution damage each round the pin is maintained.