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!
That's why Basara risked 
his life against Leohart.
Deshalb hat Basara im Kampf gegen
Leohart sein Leben riskiert.
Es por eso que Basara arriesgó 
su vida enfrentando a Leohart.
Es por eso que Basara arriesgó 
su vida enfrentando a Leohart.
Voilà pourquoi Basara a combattu
Leonhard au péril de sa vie.
Per questo Basara ha rischiato
 la vita contro Leohart.
Foi por isso que o Basara se
 arriscou contra o Leohart.
Поэтому Басара и рисковал 
жизнью в бою с Леохартом.