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...
I see. Looks like you can 
use Mana Zone somewhat now.
.فهمت. يبدو أنّك تستطيع استعمال منطقة المانا نوعًا ما الآن
Verstehe.
Ya veo.
Ya veo.
Je vois.
Ma pensa, a quanto pare
hai imparato a usare un po' il Mana Zone.
Entendi. Parece que você consegue
usar a Zona de Mana agora.
Понятно!