Castor was already a bit late to the party but it seemed to work in her favour as the other heroes threw themselves at the book with no significant effect save for them getting pummeled. And then that...thing.

She grits through the damage, feeling it keenly, but recovers quickly. She knows she can't reach it yet, so instead focuses on her inner energies and hums a mantra of Brotherhood - for the next FIVE TURNS, the whole party would get a 10% Damage Buff.