also, feel free to share your team/formation and help others.

Fire Team -


Mordred for BP, Vicissitudes and other debuffs (Ex Ambush -20% A Frame)
Mars - Fire RST↓ (-15%), All allies' ATK↑ (A Frame +20%)
Daji - All allies' Wind RST↑ (+40%), All allies' Combo Attack Rate↑ and applies a 200HP Energy Drain, Applies Rampaging (+50% ATK) to all allies
Acala - no offense Acala but i'm only using you cause I don't have anyone better
Amaterasu - Applies ATK↓ & DEF↓ (B Frame -20%) to one enemy
---

Wind Team -


Usually, I wouldn't use Shingen in an Advent, but as this is thunder... my wind team is perfect for her with all the combo rates (Shigens, Titanias, Icarus') (EX Sniper Shot ATK↓ & DEF↓ (B Frame -20%)
Shingen - all allies' Burst DMG (+200%) (can make her 100% again after with Titanias buff, so full burst.)
Azazel - Self ATK↑ & DEF↑ (C Frame +40%)
Cu Chulainn - Applies Nullify and ATK↑ (C Frame +30%) to self, Guaranteed Triple ATK
Titania (Awakened) - OP buffs. ATK↑ & DEF↑ (B Frame +60%) to one ally, Applies Ability DMG↑ (A Frame +50%) and increases Burst Gauge by 30% for one ally, Applies Combo Attack rate↑ (A Frame) to one ally.



Oberon - DEF↓ (A Frame -15%), ATK↓ (A Frame -15%), Applies Dizzy