Seems crazy unnecessarily tight, not sure how to feel hearing that. I guess if you're expected to tackle some of them post-100 then fair play, but I felt like I was making good time beating the festival of greed on day 64 on hard mode, especially since I managed to do it with curse 1. Very rude that Arwin drops you 30 willpower if you're on a corruption path lol.
I feel like the only way to be consistently quicker is to spam your star knightess.