Asta and the other Magic Knights chosen to train in the Heart Kingdom are joined by Magna and they finally start their training under Loropechika and the Spirit Guardians of Lightning, Earth, Plants, Fire, and Wind and Undine. Since Asta has no magic to begin with, he ends up sparring with Gaja, the Spirit Guardian of Lighting.  They Magic Knights all work harder to surpass their limits.
Er, that's not quite right. 
You need to use mana words—
...هذا ليس صحيحًا تمامًا. عليك استعمال كلمات المانا
Nicht so, sondern mit magischen Wö…
C’est pas ce que j’entendais
par runes…
Non è proprio quello che intendevo, 
parlavo di usare le rune di mana per—
Bem, não é isso. Você precisa
usar palavras de mana—
Нет… Я чутка про другое…