Ahhhhh, I am not sure how to answer that, since I don't know what qualifies as "worth investing time into" for Raven...

It's in a lake that haunts those who enter it at night with stolen memories, and it itself has the aura of a previously encountered cursed magical mirror, if that helps? I'd... say it's worth it, personally, unless Raven has a very, very narrow definition of interest?