Obsidian Golem

Armor Class 18

Hit Points 189 (18d10 + 90)

Speed 30 ft.

Initiative -1

Damage Resistances fire

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

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

Senses darkvision 120 ft., passive Perception 10

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

Challenge 14 (11,500 XP)

Source Monster a Day

Multiattack. The golem makes two jagged obsidian attacks.

Jagged Obsidian. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 19 (3d8 + 6) slashing damage.