After being unable to for so long, Naofumi finally gets to upgrade his party's classes. He then takes part in a meeting of the Four Cardinal Heroes, held under the guise of a celebratory banquet. There, he learns of the existence of a bonus stage, with increased XP earnings. Meanwhile, Raphtalia gets into a fight at the party.
All four heroes need to 
rally together to survive the Waves.
على الأبطال الأربعة أن يتكاتفوا معاً
للنجاةِ من الموجات
Um die Wellen zu überleben,
Para lograrlo, es indispensable
que los héroes estén unidos.
Para lograrlo es indispensable
que los héroes estén unidos.
Pour résister aux vagues,
Se volete superare vivi le Ondate,
è necessario che voi Eroi collaboriate.
Para que todos sobrevivam, precisam
estar unidos durante a Onda.
Чтобы справиться с Волной…
все до единого Герои должны сплотиться.