Weird issue that arises out of player knockback (and possibly first strike) and enemy death protection:
Before and
after. Attacking the Animated Armor in the upper left corner, the combat prediction reads Safe but the actual result is death; meanwhile, I manage to kill the monster and level up despite being dead, probably due to knockback getting a second hit after the first strike removes his death protection.
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Also, after the new update I noticed that Transmuter, Crusader, and Tinker all show up in the class completion info box even before they've been unlocked, while Vampires do not.