Cassius revealed his second ability to Lucifer, which he never actually hid. He just didn't need to use it before in the academy since he always carried his Sword with him.
As for before, when he was facing Tian, the situation didn't deteriorate to the level where he might need to use his abilities.
The two of them worked harder to move the rubble to ensure everyone was dead, which was still taking time.
As for Ayn, she was sitting inside the Ice Dome, unaware that people were getting close to her dome. She was instead busy on the call with Varant as she informed him what was happening.
"And now I'm sitting here," she told Varant as she finished up.
"There's no need to do anything unless the need comes to it. Raia might be there as well. I'll come personally. Just stay there," Varant told Ayn as he stood up, frowning.
