Warning, do not read on if you don't wish the happy fun stuff spoiled for you.
Men, women, nobles, lend me your ears. Now that we have the latest version and have uncovered what the happy fun stuff is we will undoubtedly try to find ways to beat it. But I don't wish to simply beat it, I wish to as the humans say, freeze hell over but I am at a loss for how to do so. While humans have many things that can supposedly freeze hell over it's just silly superstious non-sense. To that degree I come to you seeking ideas and methods to accomplish Operation Freeze Hell Over.
Right now the only idea I have in progress is a fort in a glacier, my plan is to dig a massive hole 100+ floors down from the surface to the gates of hell. Then I will proceed to unleash a massive torrent of water into hell dumping massive reservoirs full of water into hell then hopefully the frigid cold from the surface can make it down to hell and freeze all the water. All attempts at this plan however have failed as all attempts to channel out all the layers from surface to sulfur have led to disaster. From unleashing armies of mushroom men to unearthing forgotten beasts instead of unearthing hell. I haven't even been able to test if the slade and partially melted rock can even hold the water as my fortress usually gets wiped out by the horrors I've unleashed. Thus I come to you in the hopes one of you might have an idea as to a more reasonable or practical or dwarven method of freezing hell over.