The Wizard King summons Asta after his work dealing with the Eye of the Midnight Sun. Yami tells Asta he can come with him to the royal capital, since he has to go to a conference of all the Magic Knights Captains.
He's planning on breaking the protection 
spell that's on our memories.
.إنّه يخطّط لكسر تعويذة الحماية التي على ذكرياتنا
Sie wollen den Gedankenschutzzauber aufheben,
der auf uns gewirkt wurde.
Vuole spezzare l'incantesimo di protezione
che sigilla i nostri ricordi.
Ele pretende quebrar o feitiço de
proteção das nossas memórias.