Months after arriving at the Heart Kingdom, Asta still doesn't have any magic, but he's become more powerful at an alarming speed due to his training with the Spirit Guardians. Anti-magic is one of the magic attributes that falls into the "Arcane Stage" and is needed to defeat the devil. And because of that, Gaja asks Asta how exactly he obtained the five-leaf grimoire...
and possibly pull off an 
effect like Mana Skin.
.وإنتاج تأثير يشبه غلاف المانا
um einen ähnlichen Effekt
wie den der Mana Skin zu erzielen.
podía darme el efecto
de la Piel de Maná.
podía darme el efecto
de la Piel de Maná.
e forse creare qualcosa di simile al Mana Skin.
e, possivelmente, chegar a um
efeito similar à Pele de Mana.
И что так, возможно,
смогу защитить себя!