Arifureta: From Commonplace to World’s Strongest (Manga) Vol. 9

OUT OF THE FRYING PAN, INTO THE FIRE!
After welcoming his old friend Kaori into their party, Hajime and company set off on a quest to conquer the Gruen Volcano. As one of the ancient labyrinths built by the Liberators in days of old, it contains rare magic that can’t be found anywhere else…and the cure for the plague ravaging the nearby Duchy of Ankaji. Blazing-hot trials and unexpected adversaries await within, as Hajime’s adventure starts heating up…literally!
Series Overview: When a classroom of students is transported to another world to act as its saviors, Hajime Nagumo finds himself the weakest link. As his friends and classmates are granted strong classes and impressive abilities due to their existing skills, he is given the weak title of Synergist. When a dungeon quest leaves him separated from his group, Hajime must discover his own talents or be left to rot in this world forever.