Spydrejump (4e Power)
From D&D Wiki
|Spider Rider Utility 16
|The arachania grants you the powers of the salticid.
|Effect: Shift a number of squares equal to your charisma modifier and make a saving throw. You are no longer marked by any enemy. You may use this power when you are not mounted on your spider, but your spider cannot use this power when you are not mounted on her.