Up to the looooong "make a map of the 11th and 12th floors" mission.

Level30 Protector
DEF Up - 7
Shields - 7
Eng Garde - Maxed
F. Guard - Maxed

Level30 Dark Hunter
ATK Up - 5
Swords - 5
Fury - 4
Drain - Maxed
Bait - Maxed

Level30 Ronin
ATK Up - 3
Katanas - 7
Sight - 1
Kesagiri - Maxed
Overhead - 3
Midareba - Maxed

Level30 Medic
Healer - 7
Cure II - 3
Cure III - Maxed
Salve II - Maxed
Revive - 1
Refresh - 3

Level30 Troubadour
TP Up - 5
Songs - 7
Bravery - 1
Shelter - Maxed
Erasure - 1
Relaxing - Maxed

MVP: Dark Hunter
Maxed Bait and Drain still pretty much annihilates everything. Though not as well as it did in the 2nd stratum.