[Lava]

There is a chance Khark will just kill himself That surges work on both you and the enemies.

As for the guys from the note: they are long gone and you won't find them. They are long gone, but you can still return their swords for them

However, not sure if that's something people noticed, there is a new ghost on that area, near the western part of the bridge. And it's actually a merchant with a set of ghostly items