#3 The only heavily featured champ

In the years to come, we're almost certainly going to have two world champions that feature heavily on WWE programming every single week in the lead-up to WrestleMania. This time around, though, with Brock Lesnar holding the WWE Championship, fans have been looking towards Bray Wyatt as the only champion on the main roster that is showing up week in, and week out.
Because of the gravity of The Fiend's character and everything that comes with it, we just feel like you can only really put that sort of emphasis on him once in a WrestleMania type of setting - in our opinion.
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Plus, with this being his debut year in the role everything still feels really fresh. Whether or not that's going to be the case heading into WrestleMania 37 and beyond is a different matter altogether, but right now, he's the main player and nobody else really comes close.
Obviously there's always the possibility of Lesnar winning the Rumble and attempting to unify the belts by facing off against The Fiend, but we're choosing to believe that won't happen.