Whenever I make a vanilla mob override it will cause there to be some random mobs (of that type) that have more health than set. For example, I set creepers to have this setup: https://pastebin.com/yMhV9tJL and most creepers have the normal amount of health. However, there are some that will spawn with random amounts of health. By random I mean that players have reported (and I've seen) ones with different amounts of health. I've seen ones with 70-90 health. A player just reported...
[Bug] Vanilla Mob Overrides causes mobs to have abnormal health
[Bug] Vanilla Mob Overrides causes mobs to have abnormal health