This spell was originally created for Gnomes. Characters or creatures of other races can learn to cast it with GM permission.
You grant the target a dodge bonus to its Armor Class against attacks from larger creatures. The bonus is equal to +1 for every size category the attacker is larger than the target of the spell, to a maximum of +1 per 3 caster levels. If the spell’s target is a gnome, the maximum bonus is equal to +1 per 2 caster levels.
Pathfinder Roleplaying Game Advanced Race Guide © 2012, Paizo Publishing, LLC; Authors: Dennis Baker, Jesse Benner, Benjamin Bruck, Jason Bulmahn, Adam Daigle, Jim Groves, Tim Hitchcock, Hal MacLean, Jason Nelson, Stephen Radney-MacFarland, Owen K.C. Stephens, Todd Stewart, and Russ Taylor.