After making sure that every student had entered the portal, glancing towards the left, the professor gestured towards the staff member on his right to once again switch the dungeon grade.
Nodding his head, the staff member once again pulled the lever
-Vuuuuuuuuuuuam!
Soon after, the blue hue surrounding the portal intensified. The air around the portal further thickened, and solid threats of mana slowly sank their way into the portal. It was obvious that the portal difficulty increased.
Without glancing at the portal, the professor glanced towards his tablet and said
"F ranks, off you go…"
-Vuuum! -Vuuum! -Vuuum!
Right at his words student with
After seeing that everyone had entered the dungeon, the professor nodded his head and said
"Good, now increase the dungeon level difficulty to
