From Paragon Wiki
There are three enhancements in this set:
Only one of each of these types of enhancements may be slotted per power.
The following set bonuses apply when slotting more than one of the enhancements in this set into a single power:
- Freebird, a similar set for improving flight powers;
- Time and Space Manipulation, a similar set for improving teleportation; and
- Celerity, a similar set for improving run speed.