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The second possibility is that these Ultimate Dark Entities didn't make it, or they died.
The World of Calamities was created when the Endless Calamity invaded the Real World. So, where did the Endless Calamity come from before the invasion? Why did it invade the human world? What were its origins?
Perhaps, the reasons why these other top ten Ultimate Dark Entities did not appear in the World of Calamities are hidden within these three questions.
Casio now has too little information and can only make one guess.
The third possibility is that these Ultimate Dark Entities were absorbed by Xiadu.
