I see, and it's not a problem. Using three Whispers at endgame? I doubt many do that.
I guess I misunderstood you. I'm sorry. In fact, in my last playthrough, I brought all three thives (I'm counting Volke) to the endgame. I didn't actually mean to, it was unintentionally, I realised it later. But it worked out fine.
Heh, raising him would just make him suck less than not raising him.
Sothe is going to suck in the endgame anyway.