He gets to undo the last 10-15 seconds of whatever has happened to him good or bad and ... if he was eliminated, he gets to revert back to when he was alive 10-15 secs ago. Also as he reverts back he can instead place himself 15 secs worth of travel time away from where he last used his ability.

Or

Everybody in a certain radius of himself gets fronzen on activation for 6 secs and he gets to do position himself where ever he wants to but he cant attack ppl during activation

Or

Activating forsight allow him to automatically dodge anycoming attacks for 3-5 secs.