Gauche is gravely injured in the fight against Dante which causes Asta's devil powers to go berserk.

He completely loses himself and relentlessly attacks Dante! But Dante becomes even stronger and Asta ends up on the ground. Then Captain Yami and Finral show up to the scene shocked and Yami is instantly enraged and joins the fight! Meanwhile, the Heart Kingdom is under attack by Vanica and her subordinates and the Spirit Guardians went to fight them, but Vanica's subordinates who had been given devil powers were far more powerful than expected, and...
Despite being a Spirit Guardian, 
it took me two years to learn it.
.مع أنّي حارس أرواح، استغرقت سنتين لتعلّمها
Ich als Geisterwächter habe
zwei Jahre benötigt, sie zu erlernen.
Incluso yo tardé dos años en aprenderla.
Incluso yo tardé dos años en aprenderla.
Moi, gardien de l’esprit élémentaire,
j’ai mis deux ans à l’assimiler.
Nonostante io sia un Guardiano degli Spiriti, 
mi ci sono voluti due anni per imparare a usarla.
Apesar de ser um Guardião Espiritual,
levei dois anos para aprender.
Даже у меня, Стража духов,
ушло два года на её освоение.