how did the nightmare before christmas characters died

The Nightmare Before Christmas characters died in a tragic accident during a performance of the show. The cast and crew were rehearsing the scene where Jack Skellington is electrocuted by his own creation, the Christmas Tree of Souls. The prop malfunctioned, sending a surge of electricity through the set. The entire cast was injured, and Jack Skellington was killed instantly. The rest of the cast survived, but they were left with severe injuries and trauma from the incident.