Complex sentence: In the climax, Orton executed an Elevated DDT on Wyatt and attempted an RKO but the lights went out and Luke Harper appeared, distracting Orton.
Split into simpler sentences: In the climax, Orton executed an Elevated DDT on Wyatt and attempted an RKO but the lights went out. When the lights came back on, Luke Harper appeared, distracting Orton.