Ask why he stopped.

Summary Hahaha! What makes an alchemist's heart skip a beat
is where lies precious artifacts!
I bet there are even more sacred artifacts down there, waiting for us.
It seems like this one will take quite some time to examine.
Would you mind going down first and checking if it's dangerous?
Please? Meanwhile, I shall be looking into these valuable records.

Quest Text Would you call it a safe adventure?
There will be some risk involved.