Aedirn+Betrayal+claw+flickering lights (torches)
Some dragon was butchered?))
Yen wanted to slay a dragon so much as I can recall it)
If only there was no option to kill Saskia I would've thought it's about her.
But I think it's something much easier thatn that. XD
It's not a claw but more like a crystallized skull of a crow.