Baal at last...
Expert/Ragnarok
Normal Overdrive deals damage to all allies, and applies drowned DoT for 5T
Raging Overdrive deals large damage to all allies, and applies ability seal (ability/burst seal for Rag) and clears allies buffs.
Special ATK deals consecutive shots to ally(s) and heals herself for 250K/500K (Exp/Rag)
Exp - 4M HP/2T Charge
Rag - 12.5M HP/2T Charge
Video here:
Recommended Soul/Team
D'artagnan (Charles Blast) W/ BP
Mordred W/ Sniper Shot/Ambush
(in order of importance, IMO)
Thor (Awakened)
Athena
Mammon
Gaia (Awakened)
Kingu
Cyclops
Jupiter
...
New Kamihime
SSR Thunder - Baal [Unleashed]
SR Thunder - Cruella de Vil uhh.. Perkunas
SR Raid Light - Attar
R Thunder - Nanna
Rewards
Event Missions
Good luck...