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-It's not what you think! 
Maria made me!
E-Es ist nicht, wie ihr denkt!
Maria hat mich gezwungen!
¡No es lo que crees! ¡Maria me obligó!
¡No es lo que crees! ¡Maria me obligó!
Tu te trompes !
N-Non è come pensi!
 Me l'ha fatto indossare Maria!
N-Não é o que você está 
pensando! A Maria me obrigou!
Н-ничего такого! Это Мария!..