If the big shiny rooms full of powerups and the threatening music weren't enough, the NPC will now frantically beg you to save your game. You want to save now, right? RIGHT? RIGHT???
Complicated and difficult minigames entirely unrelated to the rest of the game right before the final boss requiring enormous amounts of reloading are not fun. And this game was doing so well!
(Yes, I got it eventually, but it felt more frustrating than excitingly challenging. This doesn't seem like a good time to make the player learn a new skill, particularly when failure means bad guys laughing at you and reloading and trudging up a lot of stairs again, rather than just trying again like most of the minigames do.)