Origninally from YouTube, 二夜's video. You will need Asmode twins, and Barbara+9. My Barbara is too weak to use for this...

1. ★6 Asmode+0 (Kill 5, 3, 4)
2. ★6 Asmode+0 (Kill 7, 9)
3. ★6 Barbara+9 (Kill 10, 8, 6)
4. ★6 Helga+12 (Kill 2 by counter)