The council's rampage sends quakes through the demon realm, and the demon Chaos is called forth through a giant magic circle. That commander of all heroic spirits flails madly, seeking to claim Basara, Mio, and Leohart's lives. Do they even stand a chance of victory with this supreme being before them?!
Meanwhile, Maria, Yuki, and the others put a final end to their own personal battle.
"Believe in me... once more."
The ultimate sibling combo risks their lives to face the disaster striking all of the demon realm!
Maybe I should take care of that boy now.
Vielleicht sollte ich mich jetzt
um diesen Jungen kümmern …
Puede que liquide al mocoso...
Puede que liquide al mocoso...
Je devrais peut-être
m’en débarrasser tout de suite…
Forse dovrei occuparmi subito del ragazzo...
Talvez eu deva dar um jeito
 naquele garoto agora...
Надо мне его, пока не поздно...