Zeromus_X! Ultima Shadow! Anybody! I need help!

OK, I've almost completed the game (sans Battle Trophies thanks to a faulty disc/memory card), but I'm basically getting my touche handed to me regularly. I heard talk of Orchialum or somesuch that'll help a lot, but I haven't the foggiest idea how to go about it. I'm using Fayt, Cliff and Albel as my main party (don't tell me I should use someone else, the other characters are severely underlevelled). I'm doing the second visit to the Shrine of Kadaan.

Basically, what can I do to power myself up at this point? SO3 distinctly lacks any side-quests for uber-gear. I'm currently Level 60ish.