So the three fingers are actually waiting deep beneath leyndell in the subterranean shunning-grounds, and youll need to time your platforming carefully through those beams to reach the bottom. When you first spot the yellow flames, that's your signal to prepare for some tricky jumps especially near those breakable floors. The key moment comes when approaching the sealed door, where you'll need to strip off all equipment before entering, since the fingers won't appear otherwise.

Watch for those telltale madness buildups anywhere you see yellow flames, and keep some preserving boluses handy because that status effect comes on fast. The merchant settlement down there is particularly nasty, with multiple enemies that can trigger madness from different angles so try staying behind cover when possible. Their attacks have a specific timing you'll want to learn - they usually pause briefly before unleashing the flame jets which is your cue to roll.

If you're following hyetta's questline, you'll find her near the bottom and she reveals some pretty crucial lore about the whole thing. The really interesting part comes if you accept the flame though because it completely changes how melina reacts to you and sets up a totally different ending. Just remember that once you take the flame, you're locked into that path unless you use miquella's needle at a very specific late-game location. Tip for avoiding accidents: maybe put on some protective gear before exploring because those yellow flames can catch you off guard and build up madness even from brief contact.