Extreme heat. Each creature within 5ft of the coal golem that attacks it takes 1d6 fire damage and if the weapon is made from metal then its under the effects of the heat metal spell until the end of the creature's next turn.
Berserk. Whenever the golem starts its turn with 20 hit points or fewer, roll a d6. On a 6, the golem goes berserk. On each of its turns while berserk, the golem attacks the nearest creature it can see. If no creature is near enough to move to and attack, the golem attacks an object, with preference for an object smaller than itself. Once the golem goes berserk, it continues to do so until it is destroyed or regains all its hit points.
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.
Multi attack. The coal golem makes two slam attacks.
Slam. Melee Weapon Attack: +5 to hit, reach 5 ft., 1 target. Hit: 13 (2d10 + 3) bludgeoning damage plus 4 (1d8) fire damage.
Molten spear. RangedWeapon Attack: +5 to hit, range 20/80 ft., 1 target. Hit: 27 (6d8 + 3) piercing damage plus 12 (3d8) fire damage.
Description
The smoldering, burning dark golem serves any master with fiery vigor and will consume coal to power its manic activity. They commonly are crafted by slightly mad dwarves and fire giants who wish to have servants who don't complain and work as hard as physically possible.
To create one of these requires fire magic rune work and 5 cubic feet of coal as well as the spirit of an ash mephit.
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