Slay the Spire 2 just released a major balance patch—and aside from forcing me into an update for my Silent Ascension 10 guide in the near future—it's delivered a whole heap of changes to the game, including one fascinating RNG bugfix discovered at the hands of a determined player.
RNG can always be a nightmare to figure out, mostly because human brains just don't perceive games of chance all that well. If you've ever missed on a 99% chance shot in XCOM, you know this feeling—a 1 in 100 chance is unlikely, but not impossible. And yet your brain tells you that some great and unforeseen injustice has visited you if it happens.