Hamill then detailed the prop’s use on set: The handle was apparently wired to a battery pack during some sequences.
The reunion between Hamill and his former lightsaber is a poignant moment for the actor and fans of the films.
If (or when) Mark Hamill finally picks up a lightsaber during Episode VIII, he’ll have years of training and Force-convening behind him, and Luke’s advanced abilities should be a treat for Star Wars fans and moviegoers alike.
The lightsabers in the prequels and later chapters, however, used digital effects to enhance the fantastic weapons.