Not sure if the topic is very readable (machine translation tu stronk, even though I’ve got no problems with various languages), but here’s the ‘main’ thread:
Apparently, they can only be completed on normal difficulty. Besides, the visitor must also be in the party, which isn’t specified, although it makes sense in the context of the recent task rework.
[UPD]
I’ll add this here for further reference, to keep track of it and so that’s its visible — forgot to do it earlier:
In short, despite what’s written in the 25.0 Patch Notes , all the instructions I’ve written (see also below) still apply as of the current patch (25.0) — I hope it helps those w…