The Updated Pet weapon mastery (5 aa for 2 effectivenes to Mage and Scout pets and 1 plus 10 percent Pary to fighter pet) from the Conj shadows tree is only Showing its buff on conj pets up to Aery Hunter VI our 102 Pet. It is not Applying on VII - IX and is the Same for the Other equivalent tier Fire and Earth Pets,
on the lower 6 primary scout pets apply the buff: Description says different mechnism for fire / scout / tank pets On the actual pet the buff does not occure and the AA point seem not to work