Spoilers for the whole of black clover only read it you have seen all the episodes. Oh and sorry if my grammar is bad I'm new to this whole writing thing.
Asta was just coming back from the royal capital he was visiting hage village since he missed everyone there (mostly sister Lilly). As he was walking down to hage he saw someone who he didn't even know and why would this person be at hage? Asta started to run to hage, he had a bad feeling about this but as soon as he was almost there he realized he just walked into a trap mages started coming down onto him he quickly took his Demon Slayer sword out of his Grimoire, not quickly enough though he got hit by some blade magic and it cut him pretty bad he was able to knock out the mage by punching him.
But then the other mages started to attack Asta realized that these mages are high level mages and he couldn't beat them alone and then he also realized that the blade he got stabbed by had poison magic in it, "Crap" Asta said one of the other mages said "Your finished" Asta tried to go demon mode but one of the mages used mana zone to make the Demon Slayer Sword fall out of his hands, Asta said " I'M NOT DONE YET! " . And then Yuno came to help "Getting yourself killed Asta?" Yuno said Asta responded " Why would I want to die before I'm even the wizard king? " the mages started to attack both Asta and Yuno, Yuno said "You go to hage I'll hold them off".
But Asta still had to do something about this poison and then he remembered lichts sword, after he took out the sword he put it onto his torso and after about 10 seconds the poison was gone! Yuno said " What the hell are you doing Asta I can't hold them off much longer now get moving", Asta went into his Demon form and started flying over to hage. And what he saw shocked him a dead sister lilly "Wh...what sis... SISTER LILLY!" Asta blacked out, "Hehehehe took ya long enough" "What-Where am i" Asta said, " Does it really matter". Asta said " Who are you and why am I here " " I'm just a nobody... And the funniest thing is that you never give up but despair happens to even the best of us or in your case the worst. And you know what's next I've done my part helping you defeat everyone I'M THE ONLY REASON YOUR ALIVE and now your body is MINE HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA! "