#3 "The Demon" Finn Balor
This match doesn't need to happen immediately, with Finn Balor enjoying himself in NXT. Let time heal the wound before the PRINXE returns to confront his biggest "demons" on the WWE main roster. This could be as compelling a story as anything in the past few years.
Bray Wyatt's first match as The Fiend came when he disposed of Finn Balor with relative ease at SummerSlam, sending him back to NXT. Balor's heel turn on Johnny Gargano legitimized the effect that The Fiend has on his victims.
After a few months, perhaps at SummerSlam, Balor should return to the main roster and challenge Wyatt to a special match between their respective alter-egos. It will undoubtedly be a spectacle, with the winner gaining a massive notch and the loser undergoing self-evaluation.
Seeing how protected Demon Balor has been, a loss to The Fiend would strike the perfect balance between freshness and damage. This match could even spark a face turn for Bray Wyatt and The Fiend, with Finn Balor retaining his heel persona for this epic confrontation.