Iron Golem

Iron Golem, CR 16

Huge construct, unaligned

Armor Class 20

Hit Points 207 ( 18d12+90 )

Spell Points

Speed 30ft

STR

21
+7

DEX

8
-1

CON

19
+5

INT

2
-4

WIS

11
+0

CHA

1
-5

Proficiency Bonus 5

Damage Immunities fire, poison, psychic; bludgeoning, piercing, and slashing from nonmagical attacks that aren't adamantine

Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned

Senses Darkvision 120 ft., Passive Perception 8

Languages understands the languages of its creator but can't speak

Special Abilites

Fire Absorption. 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.
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.

Actions

Multiattack. The golem makes two melee attacks.
Slam. Melee Attack : 1d20+13 to hit, reach 5 ft., one target. Hit: 20 ( 3d8+7 ) Bludgeoning Damage.
Sword. Melee Attack : 1d20+13 to hit, reach 10 ft., one target. Hit: 23 ( 3d10+7 ) Slashing Damage.
Poison Breath (Recharge 6). The golem exhales poisonous gas in a 15-foot cone. Each creature in that area must make a DC 19 Constitution saving throw, taking 45 ( 10d8 ) Poison Damage on a failed save, or half as much damage on a successful one.

Legendary Actions

The golem can take 3 epic actions, choosing from the options below. Only one epic action option can be used at a time and only at the end of another creature's Turn. The golem regains spent epic actions at the start of its turn.
Slam or Sword. The golem makes one slam or sword attack.
Whirlwind Attack (Costs 2 Actions). The golem spins rapidly, making a sword or slam attack against all creatures and objects within reach.
Poison Cloud (Costs 3 Actions). The golem exhales poison gas in a circle surrounding itself. All creatures within 10 feet of the golem must make a DC 19 Constitution saving throw, taking 45 ( 10d8 ) Poison Damage on a failed save, or half as much damage on a successful one.