Twin Seol Ah for the win! Info from けろちゃ's YouTube. ★6 John+9 (Kill 2, 8, 6, 7, 3, 4) ★6 Victor+3 (Kill 9, 10) ★6 Chalkle+10 (Kill 5 by counter) ★6 Helga+15 ★6 Seol Ah+15 ★6 Seol Ah+15 ★6 Magician ★6 Magician

★6 Corette+10 (Kill 3, 9, 5) ★6 Yuri+13 (Kill 2, 8, 6, 7, 4) ★6 Jin+10 (Kill 10 by counter) ★6 Helga+12

★6 Corette+10 (Kill 2, 4, 5, 6, 7) ★6 Ridel+15 (Kill 10, 8, 9) ★6 Zakan+10 (Kill 3 by counter) Placeholder

Origninally from YouTube, ちゃんねるふる's video.　With proper runes and better merc than Deka, 5 turns is possible. ★6 Ceres+10 ★6 Corette+10 (Kill 2, 4, 5, 6, 7) ★6 Deka+10 (Kill 9, 1, 8, 10) ★5 Jin+10 (Kill 3 by counter) ★6 Chalkle+10 (Lower HP of 2 by counter)

★6 Mary+10 ★6 Naressa+10 ★6 Asmode+0 ★6 Alche+10 (Kill 2, 4, 6, 7) ★6 Corette+9 (Kill 3, 9) ★6 Jin+10 (Kill 10 by counter)

Wiggle is for set effect to increase Zakan, and Chalkle's ATK. Even Alche cannot one shot 8, so you have weaken it by Karg's curse first. ★4 Karg+9 (Stats reduction) ★6 Arines+9 ★6 Ceres+10 ★6 Hyeon Wol+10 ★6 Alche+9 (Kill 2, 4, 6, 7) ★6 Corette+3 (Kill 3, 9) ★6 Wiggle+10 (For...

Alche, Serendia, and Arines are disposable, thus 2nd round should start with Angelica. My Angelica is +3, but that isn't quite enough to kill 8.  Instead of using Astrid+Angelica, Zenith+Ventana would also work. ★6 Arines+9 ★6 Ebony+9 ★6 Veronia+9 ★6 Alche+9 (Kill 2, 4, 6, 7) ★6 Ser...

★6 Serendia+9 (Lure 6) ★6 Alche+9 (Kill 3, 4, 5) ★5 Octavia+9 (Kill 1, 6, 7, 8, 10) ★6 Chalkle+9 (Kill 9 by counter) ★6 Zakan+9 (Kill 2 by counter) ★5 Jin+1 (Make 9 attack Chalkle)

Mainly using magicians since damage counter is pretty severe. ★6 Arines+9 ★6 Serendia+9 ★5 Esther+9 (Kill 2, 4, 6, 7, 8) ★6 Noel+9 (Kill 5, 9) ★6 Astrid+6 ★6 Eunrang+9 (Kill 1, 3) ★5 Viola+9 ★6 Leto+9 (Kill 10) ★6 Gloria+1

★6 Serendia+9 ★6 Mora+8 (Kill 3) ★6 Alche+9 (Kill 2, 4, 5, 6, 7) ★6 Rafina+9 (Kill 1, 8, 9, 10)