Helmed horror (summon)

Helmed horrors are suits of empty armor imbued with magical life and purpose. They make tireless and extremely effective guardians, soldiers, and bounty hunters.

Special abilities
A helmed horror has the usual construct immunities to critical hits, death magic, disease, level drain, ability drain, mind-affecting spells, paralysis, poison, and sneak attacks. It is also has immunity to the specific spells confusion and flame arrow. (The spell immunities might be bugged as it also has immunity to two invalid spells.) In addition, this creature has permanent true seeing.