I got stuck in the lower right corner of the boss battle. I was there at the end of phase 1, running towards the right wall. And when phase 2 started I could no longer move away from that field. Could still defeat enemies or pillars if they happened to spawn next to me, but that's all. They also at times spawned in me with me unable to dodge. Music continued, spawns continued, but no moving. Until pretty much the entire field filled up with pillars, at which time that spawning stopped too. So... totally st...

Not getting any of the achievements. Have played this for 4 hours, and checking the Global Achievement list with descriptions, I should have acquired several of them already.

I got all the possible upgrades, but I still can't beat the damn boss fight with the Philosopher's stone. It would have been better if the keys that you find when killing enemies stayed in the locks between battles, that way you could complete the fight eventually even after failing a few times, but the fact that you need to get all the keys in a single fight is way too hard. The difficulty spike compared too all the previous fights in the game is insane. ...

I mean, I would return some time later, not playing on one sitting. It kills the enjoy of this game in my book. Or am I too dumb to figure out how to save progress?

Who knows how to accomplish this achievement? 这个成就有谁知道怎么完成？