Hey guys, I've been posting a bit the last few days about my character concept. Basically he is an Aberrant Mind Sorcerer who received his powers after playing a crazy metal song on his lute and ripped open a portal to the darkness between the stars / far realm/ cosmos.

I was thinking this entity was Hadar, but I'm wondering if any of you can think of any potential tie in with Shattered Obelisk? I know there are aberrant themes, but I think they're related to mind flayers. Without spoiling anything, is the anything I can use here to connect all of this?

Thanks!