I'm jumping in on the third question for at least what Wrath is looking for. He's still on the hunt for what is going on with Vannozza/the affliction that she is suffering from. I have other questions to toss at you another time from... everything else he's been trying.

When he spoke to Lily about her ghost friend and the story that ghost friend told about being burned alive, Wrath connected that to the residual feelings he got from Lady Vannozza's forest that the undead left behind there. So I think Wrath at least is looking for any history/feelings that he can pick up with regards to that specific battle as well as Hatisse and how it might relate to Vannozza and her family/what she is going through. He'd be interested in seeing if there's any evidence of this Eye that Lily mentioned too, but his primary concern is the above questions.

Especially given his connection with death/the dead and his connection with dark emotions in general.