While Asta and the others were training in the Heart Kingdom, back in the Clover Kingdom, Yami asked Mereoleona to help him train. They start their training immediately and Yami is no match against Mereoleona who is a master at using Mana Zone. Meanwhile, the Spade Kingdom's forces continues to draw nearer as it continues its invasion...
It must have some power 
that I haven't drawn out yet.
.لا بدّ أنّ لديه قوة لم أستخرجها بعد
sollte noch Kräfte haben, die ich
noch nicht manifestieren konnte.
también debe tener un poder oculto.
también debe de tener un poder oculto.
Elle doit avoir un pouvoir caché.
Deve avere un qualche potere 
che non ho ancora risvegliato.
Tem que ter algum poder
que eu ainda não usei.
Я просто не умею ей пользоваться!