Ghost Step (Su)
As a swift action, a ninja with this trick can pass through walls as if she were a ghost.
Prerequisites
Rogue Level 1st or Ninja Level 1st Ninja Level 1st Rogue Level 10th or Ninja Level 10th Ninja Level 10th
Benefit
As a swift action, a ninja with this trick can pass through walls as if she were a ghost. Until the end of her turn, she can pass through a wall or other surface that is up to 5 feet thick per level as if she were incorporeal. She must exit the solid material by the end of her turn. Each use of this ability uses up 1 ki point.