Black Clover has revealed just how Asta's current power with Devil Union stacks against the threat of one of the strongest supreme devils yet, Lucifero. The Spade Kingdom Raid arc has reached a new phase of its climax as the final threat of the arc as a whole has fianlly revealed itself in full. After defeating the Dark Triad, it was quickly revealed that the true threat of the devils was far deeper than anyone had realized. Asta and the others had managed to keep Lucifero from forming a complete body, but it was made clear that even incomplete, he was stronger than any foe they have faced yet.