Novigrad => St. Gregory's Bridge CATACOMBS

[Рон Проныра]

What is this catacomb? Passing through the poisonous smoke, I reached the hatch with a picture of a horse, but I can not go there because it does not open. What is this location? Maybe there is some quest? On the Internet, people talk only about the vampire quest, but that's different.

Screenshots: https://imgur.com/a/JxjHt

[Рон Проныра]

Originally posted by BuzzardBee:

I've got it. It's part of Count Reuven's Treasure. You must have gotten into the sewers from the outside. That hatch is locked because when you do the quest, you'd gain access to the sewers through the bathhouse. It would be opened by Sigi Reuven from the other side. That poisonous gas is also part of that quest. You would be given something called Pops' Mold Antidote in order to go through that area unharmed.

Thank you! I'm surprised that I did not find any information about this

[Kabob]

Isn't this close to an armor blueprint location?

Searching/exploring can lead to interesting finds the developers probably didn't intend.