Armor Class 20
Hit Points 252 (24d10 + 120)
Speed 30 ft.
Damage Immunities fire, poison, psychic
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses Darkvision 120 ft., passive Perception 10
Languages understands Common plus two other languages but can't speak
Challenge 16
Fire Absorption. Whenever the golem is subjected to Fire damage, it regains a number of Hit Points equal to the Fire damage dealt.
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 golem makes two attacks, using Bladed Arm or Fiery Bolt in any combination.
Bladed Arm. m +12, reach 10 ft. Hit: 20 (3d8 + 7) Slashing damage plus 10 (3d6) Fire damage.
Fiery Bolt. r +10, range 120 ft. Hit: 36 (8d8) Fire damage.
Poison Breath (Recharge 5–6). con DC 18, each creature in a 60-foot Cone. 55 (10d10) Poison damage. Half damage.
Monster Manual (2024), p. 181