Multiattack

The steam golem makes one Axe Arm attack and one Long Axe attack.

Axe Arm

Melee Weapon Attack: +13 to hit, reach 5 ft., one target. Hit: 22 (4d6 + 8) slashing damage plus 18 (4d8) fire damage.

Long Axe

Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 26 (4d8 + 8) slashing damage plus 18 (4d8) fire damage.

Steam Blast (Recharge 5-6)

The steam golem releases a blast of steam in a 30-foot cone or in a 10-foot-radius cloud that extends from it, spreading around corners. Each creature in the area must make a DC 17 Dexterity saving throw, taking 54 (12d8) fire damage on a failed save, or half as much damage on a successful one.