Skill Feat
Acrobatic
You gain a Tumble action (at-will, move; move up to half your base movement speed while avoiding opportunity attacks; you can end this movement early; you cannot make attacks or use powers during this movement).
You gain the Evasion ability (at-will, reaction to area effect; you jump up to 1 square per Dex bonus to a safe square to avoid the effect).
You ignore 10 feet of falling damage per point of your Dexterity bonus.