109 No Access

The Clerics returned a minute later with concerned looks. 

"The end of the tunnel is gone. Everything past the first chamber looks like solid rock, the whole tunnel is hidden. We marked it as the entrance of a Holy Relic, but I'm not sure that anyone will believe us if they can't see the crystals." The male cleric informed Karl.

"That's fine. When it opens again, there will be no doubt that it leads to the Holy Relic. Perhaps it's better this way. Anyone else who stumbles across it will be trying to get a portal to open on the wall, while only those who should know will understand that the tunnel will appear when it is ready." Karl replied.

The students started to repack their gear into the best approximation of its original state, helping those who just weren't getting it, until they were all ready to move again.