Forgotten Song

You struggle to remember this song. When you recall a beat your very soul is unfettered, and when you hum a bar all are enraptured by its tune.
Benefit: Once per [Round], as a move action, you may gain 1 beat in your Forgotten Song. You may only have up to 4 beats at a time, and they expire at the end of the [Encounter]. You begin each [Encounter] with no beats in your Forgotten Song. While the Forgotten Song has at least 1 beat, your movements gain the [Warp] descriptor. As an immediate action, you may spend 3 beats to create a spread with a [Medium] range radius originating from you which renders all opponents in the spread [Slowed] for one [Round], and immediately [Warp] up to 120 ft.