This is so broken.
http://www.youtube.com/watch?v=SOuqeeBn_Fk
The Sion magically appears in Aoko's Last Arc?
Here's what I think happened:
1.)Aoko enters Blood Heat. Meanwhile, Hisui lays a 22a bento.
2.)Bento is laid, and Aoko kills Hisui.
3.)Bento explodes, and Aoko shields the explosion.
4.)Normally, Hisui would be the target of the Last Arc, but because she's already dead, the target now shits to the only one left alive - Sion.
5.)Sion gets the brunt of the attack, even though the orbs go to Hisui's dead body (there is still damage, and damage scaling - the more you know).
6.)? ? ? ? ?
7.)PROFIT