Asta and the others safely return to the Black Bulls' base after defeating the Eye of the Midnight Sun and the Diamond Kingdom in the Witches' Forest. Now that Asta's arms have healed, the Black Bulls as well as Yuno, Klaus, and Mimosa are relieved. However, there's no telling when the Eye of the Midnight Sun or the Diamond Kingdom will try to attack the Clover Kingdom again. Klaus then brings up a proposal to Yuno and Mimosa.
Once the Black Bulls arrived 
at the Underwater Temple,
،بمجرّد وصول الثيران السوداء إلى المعبد الذي تحت الماء
Der Schwarze Stier
erreichte den Unterwassertempel
Al llegar al Templo Submarino
buscaron la joya mágica,
Al llegar al Templo Submarino
buscaron la joya mágica,
Alors qu’arrivés sur les lieux,
ils cherchaient la pierre magique,
Una volta giunti al Tempio Sottomarino, 
quelli del Toro Nero,
Quando os Touros Negros
chegaram ao Templo Subaquático,
В Подводном храме Чёрные быки 
приступили к поискам камня...