Defeated dragon with copper sword now it does not disappear correctly.
The explosion animations continue indefinitely
FPS starts dropping from 30 down to 3
End portal does not open nor does it drop XP
Was played as two player originally
Logging back on did not fix it
End island appears to be more broken than normal as seen in video
Seed also in video
Could you attach the world to this report? Instructions on how to locate the world files can be found here: https://help.minecraft.net/hc/en-us/articles/26883028637965-How-to-Locate-Minecraft-World-Files-on-Mobile