Actually, the Undead are NOT immune to splash potions of Harming, the opposite effect gets applied, so they get healed from harming potions, and Harmed from healing potions,
I was able to reproduce it. same version, seed, coords
Actually, the Undead are NOT immune to splash potions of Harming, the opposite effect gets applied, so they get healed from harming potions, and Harmed from healing potions,