: While exploring, Yuno finds a strange scroll with mysterious writing that glows and then vanishes into his grimoire, hinting at a new power.
As Mars turns his sights on the injured girls, Asta is thrown through a wall into a separate chamber. Nero finds him and leads him to a dirt-covered, rusted sword.
In Episode 18 of , titled " Memories of You ," the hard-fought mission inside the dungeon reaches a fever pitch as the Magic Knights finally uncover its hidden core. The Treasure Room Discovery Black Clover (TV) Episode 18
The celebration is short-lived when Mars suddenly breaks free, using fire-based healing magic to recover from his previous wounds. This reveals a shocking anomaly: Mars possesses two different elemental affinities— and Fire —something typically impossible for a single mage.
: Mars traps Yuno, Klaus, and Luck in crystals, leaving the others vulnerable. When Noelle tries to extinguish his healing flames with her water magic, Mars brutally knocks her aside, leaving her critically injured. A New Blade for Asta : While exploring, Yuno finds a strange scroll
: The anti-bird Nero tries to lead Asta toward a specific spot on the wall, but Asta is too distracted by the treasure to understand. Mars Returns
: Encouraged by a wounded Noelle, the sword begins to glow with her water mana. Asta swings the blade, releasing a powerful torrent of water that finally extinguishes Mars’ healing flames and strikes him down. The Aftermath In Episode 18 of , titled " Memories
Despite his victory, Asta collapses at the end of the episode. He had been fighting through the pain of a serious wound to his stomach inflicted by one of Mars' diamond harpes earlier in the skirmish. Episode 18 | Black Clover Wiki | Fandom