"Tartarus is an Angel of your dad," Zera said. "Angels cannot harm their Gods under any circumstances, or plot against them.
"You have your dad's bloodline. His blood flowing within you reduces any type of damage you get from Tartarus, whether it is physical or psychological."
It was only then that Neo recalled his trait, Eternal.
50% damage reduction against all damage.
Combined with the protection against Tartarus he got from Hades' blood, it made sense Tartarus couldn't trap him in a nightmare with force.
Nightmares were a psychological attack. The damage Neo received from Tartarus was largely mitigated.
"Wait, wait, wait," Ava spoke up. "Tartarus is a World. How could an Angel become a World? And who is his father to be the God of someone who could become a World?"
"About your first question, I'm not sure how it happened. It might be possible that Tartarus found a Sacred Treasure that gave it such ability or…"
Zera looked at Neo.