this is when you make a wither but its heads are creeper heads and it spawns creepers it makes huge tnt spawn in and blow up
MCPE-62139
creeper wither
Resolved
Cannot Reproduce
0
superphilip11 philster oofmann
(Unassigned)
Unconfirmed
Xbox
I am on a chormbook laptop
1.14.1 Hotfix
Retrieved
It definitely sounds like you have an add-on interfering with some textures and/or behavior. Can you reproduce this with no add-ons active?
Note: Some screenshots would definitely be in order here.