Complex sentence: Instead, Bray Wyatt was in the casket, revealing that his cryptic vignettes over the past few weeks were referring to The Undertaker, and challenged The Undertaker to a match at WrestleMania.
Split into simpler sentences: Instead, Bray Wyatt was in the casket, revealing that his cryptic vignettes over the past few weeks were referring to The Undertaker. Wyatt then challenged The Undertaker to a match at WrestleMania.