Lighting all of them will cause gutter denizen to invade.
All torch sconses in the gutter.
Multiple torch sconces have been moved replaced and added.
Scholar of the first sin edit.
If you have lit all the sconce in the gutter an npc invasion will occur here.
If you light all of them and make it to the end of the area part with all the ladders that lead down then you ll be invaded by an npc and you ll be able to get the black witch set.
The invader is gutter denizen a mage he drops the black witch veil set.
These are the sconce locations in the gutter.
Once you light all of them you will be invaded by an npc at the bottom right before you go to the next area who will drop the full black witch set.
The steel chest mimic in iron keep that held the lightning winged spear has been moved here.
Finally find a hole in the wall blocked by more heart like jars and drop down onto the ledge.
Only reason i lit everything was because of how much i hated that place in ds2 vanilla running it without a torch.
Explore this area break all jars to obtain a total of 20x lifegem 1x dark fog and 1x torch.
There are 49 scones in total in the gutter.