Ender Dragon death animation loops with no XP and severe FPS drop in the End and No return Portal

Version: Minecraft Bedrock Beta 1.21.110.20

Description:

After killing the Ender Dragon in the End dimension, the death animation plays, the point of ender dragon die there is blast animation continuously playing ,but no XP is dropped. The exit portal doesn't appears, but FPS drops severely (1–2 FPS). Even after duplicating the world and switching to Creative mode, the issue persists.

Using /kill @e does not fix the problem. Leaving the End and returning to the Overworld restores normal FPS. However, when re-entering the End, the Ender Dragon death animation plays again, with no XP drop, and FPS drops back to 1–2.

The problem seems to be repeating indefinitely, as if the Ender Dragon’s death state is stuck in a loop.

Steps to Reproduce:

1. Defeat the Ender Dragon in Beta 1.21.110.20

2. Observe that the death animation plays but no XP is dropped and Return Portal Doens't Appear.

3. Notice severe FPS drop in the End (1–2 FPS).

4. Leave the End — FPS returns to normal.

5. Return to the End — death animation plays again, FPS drops, no XP drops.

Expected Result:

After defeating the Ender Dragon, the death animation should play once, XP should drop, and the exit portal should function normally without causing FPS issues.

Actual Result:

Death animation repeats every time you enter the End, no XP drops, severe FPS drop, Return Portal doesn't Appear and the Dragon Death Animation Happened

Fully despawn or mark as killed.