Anakin Skywalker's second lightsaber, also known as Darth Vader's lightsaber, was the weapon constructed and carried by Anakin Skywalker during his fall to the dark side, and continued using it after subsequently taking the name Darth Vader.
Anakin Skywalker's second lightsaber, also known as Darth Vader's lightsaber, was the weapon constructed and carried by Anakin Skywalker during his fall to the dark side, and continued using it after subsequently taking the name Darth Vader.