Manastorm Golem
Medium Construct, unaligned
Armor Class 14 (natural armor)
Hit Points 90 (12d10+24)
Speed fly +60, walk +60
Challenge 8
Damage Resistances bludgeoning, piercing, and slashing from magical weapons
Damage Immunities acid, cold, fire, lightning, necrotic, poison, psychic, radiant, thunder
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses truesight 120 ft., passive Perception 9
Languages understands the languages of its creator but can't speak
Special Abilities
Amorphous. The manastorm golem can move through a space as narrow as 1 inch wide without squeezing.
Limited Mutability. Any spell or effect that would alter the golem's form only alters it for 1 round. Afterwards, the manastorm golem returns to its humanoid-shaped cloud 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.
Mystic Messages. The manastorm golem can communicate with its maker via magical whispers at a distance up to 120 feet. Only its master hears these messages and can reply. Its messages go through solid objects but rm are halted by stone, magical silence, a sheet of lead, and similar obstacles. Its voice can travel through keyholes and around corners.
Actions
Multiattack. The golem makes two slam attacks. If both attacks hit a single living creature, the creature is stunned until the end of its next turn.
Slam. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 14 (2d10 + 3) force damage.
Force Bolt. Ranged Spell Attack: +6 to hit, range 120/480 ft., one target. Hit: 25 (4d10 + 3) force damage.
Source: Creature Codex · OGL/Open