Feats >General Feats > Cloud Step Your tread is of unearthly lightness. Prerequisites: Spider Step, monk level 12th. Benefit: As a move action, you can air walk (as the spell) up to half your slow fall distance, maximum 50 feet. You must reach a solid, level surface by the end of your turn or you will fall. Section 15: Copyright Notice Advanced Player’s Guide. Copyright 2010, Paizo Publishing, LLC; Author: Jason Bulmahn.