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!
I didn't want to do it for the 
first time at a crucial moment.
Ich wollte es nicht gleich tun,
wenn’s mal brenzlig wird.
Será la primera vez que lo haga...
Será la primera vez que lo haga...
Non volevo che la prima volta fosse
 in un momento così importante.
Eu não queria fazer isso pela primeira
 vez num momento crucial...
что приходится в разгаре битвы...