Dungeon Crawlers Academy vol 2 Into The Portal back

With one very dangerous dungeon dive under his belt, Nathan finally feels like a full-fledged mage. He's even got his own crew: treasure-hungry thief Mandy and stubborn warrior Zach. But their team is in last place at the academy, and the only way to improve their ranking is by bringing back a big haul from the dungeon. Enter P'tui, a small dragon with a huge problem. He makes the team an offer: he'll reveal the location of his massive, treasure-filled hoard if Nathan brings him back one specific item. The loot could catapult Nathan and his teammates to first place... but can a dragon-even a tiny, cute one-be trusted?