As a Magic action, you can goad a creature within 60 feet of you that can see or hear you into causing a paradox. The creature must make an Intelligence saving throw against your spell save DC. On a failed save, the creature takes 10d6 Psychic damage and has the Stunned condition for 1 minute as it is locked between opposing timelines. On a successful save, the target takes half as much damage only. The Stunned creature repeats the save at the end of each of its turns, ending the condition on itself on a success.
Once you use this feature, you can't use it again until you finish a Long Rest.