Helmed horror

s are suits of armor with limited sentience and free will.

Description
Helmed horrors appear to be decorative armor, but when they are activated, a glowing red physical form appears within them. They carry swords and shields, and obey the orders of their creator.

Abilities
The following is drawn from the Monster Manual:
 * Resistant to bludgeoning, piercing, and slashing damage from nonmagical attacks that aren't adamantine
 * Damage Immunities: force, necrotic, poison
 * Condition Immunities: blinded, charmed, deafened, frightened, paralyzed, petrified, poisoned, stunned

Byron Anders had two helmed horrors, whom he called upon to protect him when Vox Machina, led by Percy, attacked him within Whitestone Castle. They did significant damage to Vax, but were both killed by Vex.