Is There Anything Wrong with Seeking Adventure in Dungeons?

"Are you a Potions scholar?" "Yes yes." "Sorry, we are short of a soldier." "Ah, yes, yes." Orion picked up his sword and performed a beautiful slash. "... Sorry we actually need a magician." "Ah, yes, yes." He took out a staff from his pocket and skillfully released the meteor shower. "Archer?" "Yes." He bent his bow and drew an arrow. "Monk?" "It could be." He read from the Bible. "Berserker!" "Okay, okay." He waved his axe. "... Who are you?"