Originally Posted by
Cilia
As for the gentle music, it's implicitly to get you to stay in there forever (or at least until Ozma casts Doomsday). If you look at the Ozmashade while it's casting Assimilation, you get an Assimilated debuff that will stack as you continue to look at it until you're stuck in, I believe, a "Singularity / Assimilation Gaol" and can't move or attack. You're just so amazed by Ozma(shade) (or your brain is freaking out at the sheer impossibility of it) that you don't want to do anything.