Candidates for the fourth tengoku crest

1.Nono

Pros: Stupid powerful; This would make it EVEN DUMBER
Cons: No ALL weapons. Unavailable for most of the game. Unable to hit 300 will on account of enforced parts slots. And it's kind of overkill.

2.Char
Pros: Self-support ability. Powerful ALL weapon. Powerful finisher. No enforced parts.
Cons: His supporter attacker (Duo) damage is kind of lame.

3.Noriko
Pros: Stupid powerful. Powerful ALL weapon. Powerful finisher.
Cons: Support attacker damage unideal. Enforced parts slots.

4.Alto
Pros: No enforced parts. Support attack damage (Graham) awesome.
Cons: Big attack is costly, and really big attack unavailable until late late game.

5.Setsuna
Pros: Self-support ability. SP side effect has valuable synergy. Support attack awesome. Stupid powerful. Powerful all weapon. Powerful MAP weapon. Personal favourite.
Cons: Enforced Parts slots, kinda. Enforced custom bonus, kinda.
Probably who I will end up going with.