Your innate adaptability allows you to imitate others of your kind nearly flawlessly, to the extent that you can utilize their mastery over skills almost as if you had personally trained in their use.
Prerequisite(s): Half-elf, adaptability or ancestral arms racial trait.
Benefit(s): Whenever you are within 30 feet of an ally who also has this feat, you gain the following benefits. If the ally has a Skill Focus feat, you also count as having that feat for the purpose of the following skill uses: Acrobatics checks to move through threatened squares, Bluff checks to feint, Escape Artist checks to escape a grapple, Intimidate checks to demoralize, Knowledge checks to identify a monster, and Perception checks to notice a creature using Stealth.
Furthermore, if the ally has a weapon proficiency gained through the ancestral arms racial trait, you also count as having that weapon proficiency.
Pathfinder Campaign Setting: Inner Sea Races © 2015, Paizo Inc.; Authors: Ross Byers, John Compton, Adam Daigle, Crystal Frasier, Matthew Goodall, Alex Greenshields, James Jacobs, Amanda Hamon Kunz, Ron Lundeen, Rob McCreary, Jessica Price, David N. Ross, Owen K.C. Stephens, James L. Sutter, Russ Taylor, and Jerome Virnich.