Larian Studios Forums Baldur's Gate III Baldur's Gate III - Story & Character Discussion Why BG3's ending reminds me of Mass Effect 3's (ending spoilers, naturally)

And even if the Emperor and Orpheus can't work together, the Emperor could simply flee instead of joining the brain.
Mind flayer have plane shift 1/day, so he could just bugger off to Avernus or the Astral where the Brain could not reach/find him.