The Dungeon guide begins to explain to them about the monster they will face inside the dungeon. He also begins to tell them the weakness of those Monsters. Naturally, the Dungeon guide gets all this information from the Guardian Association.
All those students who are talking to the Dungeon guide are seriously listening to all the weaknesses of those Monsters. Inside the Dungeon, that information will be very helpful to kill those Monsters.
Sometime later,
Finally, the guide finished telling about all the Monsters of the Dungeon and their weaknesses. Naturally, nobody could guarantee that the Dungeon guide knew about all the Monsters inside the Dungeon.
He was only informed about those Monsters that the Guardian Association told him. But still, it will be helpful for everyone. During that time, most of the people ignored the Dungeon guide and they already created their teams to enter the Dungeons.