As...truly horrific as the idea of that first one is, I have to admit I'm glad you caught the second one first, an actual betrayer god released back onto the material plane seems especially bad.

[Although 'stupidly magical' and the implication of this thing having survived in the Astral Sea that long seems....also very concerning, to be fair.]

I assume you were able to stop the godlike thing in the Astral Sea as well. You mentioned you fought it, not that you beat it.

[Not to split hairs, but...]