#2 NXT will Lose all of their top talents

Just imagine four of the main event level talents - Ciampa, Gargano, Black, and Ricochet, all moving up to the main roster at the same time. It would have a huge impact on WWE's third big brand. As there would be no major stars left on the brand to provide it with star power.
It can be mentioned that Velveteen Dream, Matt Riddle, and The Undisputed Era are some of the major stars who are still in NXT, but soon they will also move to the main roster, possibly after WrestleMania 35.
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Surely, all these four stars could continue to compete on NXT after WrestleMania 35, but working on Raw, SmackDown, NXT, and all the live events at the same time will be a big task for the four performers, which could risk the possibility of injuries. Injuries impact your career on the main roster, just ask Finn Bálor and The Revival!
A top WWE star is missing in action