Antimagic Susceptibility. The armor is incapacitated while in the area of an antimagic field. If targeted by dispel magic, the armor must succeed on a Constitution saving throw against the caster's spell save DC or fall unconscious for 1 minute.
False Appearance. While the armor remains motionless, it is indistinguishable from a normal suit of armor.
Multiattack. The armor makes two melee attacks.
Slam. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) bludgeoning damage.
Magic Resistance. The helmed horror has advantage on saving throws against spells and other magical effects.
Spell Immunity. The helmed horror is immune to three spells chosen by its creator. Typical immunities include fireball, heat metal, and lightning bolt.
Multiattack. The helmed horror makes two longsword attacks.
Longsword. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage, or 9 (1d10 + 4) slashing damage if used with two hands.
Amorphous. The ooze can move through a space as narrow as 1 inch without expending extra movement to do so.
Pseudopod. Melee Attack Roll: +3, reach 5 ft. Hit: 11 (3d6 + 1) Acid damage, and the target has Disadvantage on Intelligence saving throws until the end of the ooze's next turn.
Psychic Crush. Intelligence Saving Throw: DC 10, one creature the ooze can see within 60 feet. Failure: 13 (3d8) Psychic damage.
Mind Corrosion. Trigger: The ooze fails a saving throw against a spell or another magical effect created by a creature. Response: The triggering creature takes 3 (1d6) Psychic damage.