Ooze Master Utility 6Celerity Jelly
You smear the nearby ground with a slick jelly that accelerates your party’s movements.
Encounter Arcane, Zone
Minor Action Close burst 2
Effect: The burst creates a zone that lasts until the end of your next turn. The zone is difficult terrain for your enemies. When you or an ally starts his or her turn in the zone, that character can move from one square in the zone to another as a free action.
Published in Dragon Magazine 413, Council of Spiders.