You warp local time for yourself and nearby allies, increasing movement speed and making attacks easier to avoid.
On success, the target gains 10+int/2 movement speed for 10+int/2 rounds and gains 10+int/4 dodge incoming attack for 10+int/2 rounds.
Abilities belong to classes and can be used by players and NPCs. Most abilities must be learned first, and some become stronger when you invest points in them. Ability scrolls let you use an ability a limited number of times, even if you have not learned it.