This thread is about the rivalries and why they exist, though, not about the role each class has. As for warlocks studying inside the walls and not collecting anything for themselves... Have you... read the grimoire? "You try and try and try to explain, but no one ever understands. No one who's not a Warlock. Who hasn't spent a dozen years scouring the ruins for one string of symbols, one clean code, one black talon." ...?