This is most likely the translation team messing up or one of them used Google translate lol
Try clearing up world space or Chromebook space in genreal
Oh I'm pretty sure his hitbox is being messed up while walking towards a fence this happened to me I had to break it somehow lol
It's because the crystals heal the ender dragon so it's hard to do it you need to explode the endn crystals before fighting or explode it on him of there's one left
Because entites aren't counted when going to a different dimension witch makes more that what should spawn well…. Spawn
Mabye put something loading the overworld that works for me for example an alt friend or redstone chunk loader
Have you tried turning on fancy leaves the same happened to me and I turned on fancy leaves and then it popped up because bedrock doesn't let you only choose one you need to choose everything you wanna change it's not like java!
Ye prob mod ruining name