#1 To rectify the past

While WWE didn't make the reasoning for The Fiend challenging John Cena apparent at the beginning, it was almost known to everyone that Bray Wyatt wanted the right the wrong of his match against John Cena at WrestleMania 30. In fact, he proclaimed it as the match that finally broke him and created The Fiend character that went on to dominate for months in 2019.
Hence, it is no secret that the match between John Cena and The Fiend at WrestleMania 36 was an attempt to rectify history. It was that very rare chance to go back in history, take a moment that led to the downfall of a Superstar's career and use it to turn him into the biggest thing this company has to offer.
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In the end, The Fiend might not be holding the Universal Championship right now. He might not even get another crack at the title for a while, but what he accomplished at WrestleMania 36 was nothing historic. Interestingly enough, he did in the most enchanting and bizarre way possible.
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