The "treasure chest discernment spell" (Mikheit) has a 99% success rate.

Great historical discoveries were made by the grand mages that saw through that remaining 1%.

It's daaark!! And scaryyy!!

What are you doing, Frieren-sama?

You're going to tear me in half, Fern...

...Well, that aside,

As long as we found this many gold coins, we shouldn't have any trouble with our traveling expenses for awhile.