40% increased Attack and Cast Speed if Energy
Shield Recharge has started Recently
10% increased Movement Speed while you have Energy Shield
10% chance to Dodge Attack and Spell Hits while you have Energy Shield 
Ghost Dance is a notable Ascendancy passive skill for the Trickster. It grants more evasion chance while at full energy shield, dodge, spell dodge, and movement speed while you have any mount of energy shield, and attack speed and cast speed when energy shield recharge has occurred in the past 4 seconds.