Even though Sebas has his back turned to her, he could hear Tsuare gasp at the door. Maybe she was panicking after seeing a devil, Demiurge. Maybe she was scared after seeing a giant insect, Cocytus. Maybe she was terrified after seeing an angel that looked like a fetus. Maybe she was petrified after seeing death incarnate, Ainz. Or maybe it was all of it.
The Guardians’ displeasure only intensified with Tsuare in front of them. In some way, she was the embodiment of Sebas’ mistakes and failures. Tsuare could not stop shaking at all the hostility directed at her. In this world, Guardians were the ultimate beings, and all weaklings would tremble in fear at the mere sight of them. The fact that Tsuare wasn’t crying was already an amazing feat. Sebas did not look back, but he could feel Tsuare’s gaze fixed on him. Her courage came from the fact Sebas was in the same room.