Withdraw

You can Withdraw from combat as a Move Action. To Withdraw, the first 1 square of your movement must take you out of your opponent's Threatened Area by the shortest possible route. If you must move more than 1 square to escape the Threatened Area, you can't Withdraw. You can Move normally in order to escape an opponent, but you provoke an Attack of Opportunity when doing so.
  Once you clear the Threatened Area, you may continue to move, up to a total of half your Speed. You can Withdraw from more than one opponent in the same action, but only if you can clear all Threatened Areas in your first 1 square of movement.
  Withdrawing protects you from Attacks of Opportunity during your first square of movement, but you may provoke Attacks of Opportunity later in your turn (for example, you may move through another character's Threatened Area).