Turn 4 summary:
Ethereals:
AoE supercharged damage boost
AoE supercharged threshold gains
Supports:
Luz uses Haste I on Starr
Puddle uses Hex II on Astrid for -600 Magic
Ivy uses Hex IV on Joule for -900 Flinch
Cal uses Boon I on Astrid for +300 Accuracy
Nip uses Boon I on Starr for +300 Accuracy
Bahamut: DD Vile Seeds, Shadow Persuasion Astrid x2, Shadow Persuasion Icetales
Celeste: Tailwind, basic attack Starr
Icetales: DD Vile Seed + Max Elixir, Shining Revontulet, Umbral Nebula, Radiant Cheer Starr (Power Trip) Shiron and Astrid x2 (x1 from Bahamut)
Saltriv: DD Vile Seeds, Call Starr Bahamut Astrid, Shadow Panic (Speed) Joule
Shiron: Water Pledge (Starr), Call Starr, Call Astrid
Starr: Insolence, Fire Pledge (host; +Water), Renegade, Leech Life, Flare Blitz, Power Trip
Astrid: Inspiration Starr x3 (Insolence Power Trip), Max Elixir, Stored Power x3 (x2 from Bahamut)
Support Burst: 125/100