She dodged and flew away, escaping Arad's stomp at the last possible moment. She had never felt pain or fear before; everything was numb, but for some reason, Arad's attacks looked scary now.
Arad had even hit her before, and she felt nothing and had to act her way through to look normal. But now, for some strange reason, she can't allow him to get close.
Calorin's tarrasque blood screamed at her that Arad was a danger, or at least a possible danger. A tarrasque is immune to death and cannot die, but there is one way for them to perish. To get eaten by another tarrasque.
It didn't help that she could smell another tarrasque on Arad, meaning that he could've already killed another tarrasque. What Calorin smelled was Nina's scent, and that terrified her tarrasque blood.
