Board Thread:Questions and Answers/@comment-26257973-20150704032651/@comment-25209037-20150713041557

As Rieji said, you need an HP boosting lead. But w/Griel - Kira, Darv, Kikuri, Quaid/Dion - Kanon.

Normally, I'd suggest bringing a Raaga friend, but 10-Winged Tormentor stage 2 have Michelle's group dealing ATK/DEF/REC debuffs to your squad, and this isn't blocked by stat null leads, ES and buffs (only by spheres like Drevas and Refined). Having Kanon or any recent stat cleansers are capable of removing stat debuffs.

For stage 1: Melchio - he has BC resist and likes to inflict ATK down. Just normal attack him for a turn or 2 to raise your BB gauges. He shouldn't be hard to kill. Don't use Fujins.

For stage 2: Michelle & gang - Kira and Griel have a chance of dealing ATK debuff on their SBB, which will significantly reduce the absurdly high damage they deal, improving your chances of surviving. Kikuri's ES also has a chance for her to inflict injury to enemies, and if your lucky enough, you are able to inflict ATK down and Injury to them, their damage is reduced to 1. Her SBB also helps in BB gauge maintenance since this GGC has BC resistance, Zelban can buff wipe someone so be careful. Lastly, try avoiding killing more than 1 of them, normally w/2 units, you can fill your BB gauges, but the lesser the enemies on screen, the lesser the BC's being produced and this will result in you having a hard them mainting your mitigator's BB up at every turn, with them killing you 1 by 1. This I believe is the most dangerous part of this GGC. This is where Fujin's come into play. The trick here is that you use your mitigators BB only since it is ST, making evening out their HPs more manageable.

For UBB, you could go w/either Kira's or Dion's, though I prefer the latter.

For stage 3: just Angel Idol 1 unit and press whatever unit. Duel should self-destruct killing everyone but the AI'd unit. This clears the dungeon.

Items to bring: 5 Fujins, 1 AI, Revives/Dews.