to solve it the Princess will have to visit the Well near the Abandoned Mine in an attempt to put the ghosts to rest by undoing the evil which bounds them to the place of their death.
The quest does not necessarily show up in your journal either when you start it, solve it or finish it.
Once Greytower quest is done, the locked door in the upper floor will open and the Princess will find there the armor Chainmail of Roses.

不是的，我记得有办法下去。然后要求你....怎么地里边一个幽灵，之后拿着什么回到高塔？反正要按照要求来，不然这帮幽灵不肯安息