09:0009:00, 3 June 2021diffhist−149
Ender Dragon
Chunk loading of the end island (also known as dragon ticket) occurs not only the dragon is alive, but also the dragon is dead. This behavior is regardless of the dragon's death/alive(I tested this in 1.14+, but not in 1.9-1.13), so this content does not suit for ender dragon.