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...
Which means that so long as your attacks 
don't reach me, my mana is limitless.
.ما يعني أنّه طالما لا تصلني هجماتك، فالمانا خاصتي غير محدودة
Das bedeutet,
Es decir,
Es decir,
Autrement dit,
Questo significa che finché i tuoi attacchi 
non mi colpiranno, il mio mana non si esaurirà mai.
O que significa que, enquanto seus ataques
não me atingirem, minha mana é ilimitada.
Понимаешь?