The Tomb Protector is a copy of the Inaros Warframe that tests intruders to see if they are worthy of claiming Inaros' blueprints. It appears as a miniboss only on the final mission of the Sands of Inaros quest when the final Sacred Vessel is retrieved.
- As he is equipped with a Mutalist Cernos, he can create clouds that can proc Toxin damage.
- When sufficiently damaged, he will retreat into his sarcophagus and summon Tomb Protector Effigys to aid him in battle.
- He can cast abilities, but with some slight differences: