Time Crystals can give the user the temporary power to time travel if the user doesn't have the innate ability or a Legion Ring.
Season Five[]
Clark Kent used the Time Crystal to go back in time and save Lana Lang after she died in car crash, but then to make up for defying the tribunal of fate, the universe took Jonathan's life as recompense, fulfilling Jor-El's warning of reckoning.
Appearances[]
- Season Five: Reckoning
- Season Six: Promise (referenced only)
- Season Nine: Savior (referenced only)