You fight in constant motion, always on the move around a foe and rolling with blows.

At-Will   ✦     Martial, Stance
Minor Action      Personal

Effect: You assume the dance of the phase spider stance. Until the stance ends, when an adjacent enemy shifts, you can shift 1 square as an immediate reaction. In addition, whenever you are subjected to forced movement, you can shift up to 2 squares as a free action after the forced movement is resolved.

Published in Council of Spiders, Dragon Magazine 413.