Grat 20 Perception Rolls

With a nat 20 perception roll, like you get a pretty good map of the city before you sort of get into a range where anything might be able to detect you. If you roll like at 20, hit with an axe, im like wild. But with a d 20 perception, i'm like, theritlwit the it's not an aesthetic roll to be ate. The temple has this sort of dome like roof over it. You can see that there are small cracks all around that roof and sticking through them are tiny grubs or tendrils of some sort That were not there in the memory. Those are new. There're no people down in the city; instead, you see