What does the black lightsaber mean?

Related questions

1. How old is Ahsoka Tano at the end of the Clone Wars?
2. Why do Jedi use lightsabers?
3. What lightsaber does Rey use?
4. Why does ahsoka have white lightsabers?
5. Is Mace Windu the most powerful Jedi?
6. What Jedi has a white lightsaber?
7. What color is Luke's lightsaber in the last Jedi?
8. Who has a white lightsaber?
9. Was Ventress a Jedi?
10. Why did the Clone Wars get Cancelled?

Tags

1. #guardian
2. #indicated
3. #force
4. #reflect
5. #level
6. #green
7. #physical
8. #preferred
9. #fight
10. #heart
11. #consular
12. #mysteries