Goblin Weapon Expertise Feat 13
Source Pathfinder Core Rulebook
Prerequisites Goblin Weapon Familiarity
Your goblin affinity blends with your class training, granting you great skill with goblin weapons. Whenever you gain a class feature that grants you expert or greater proficiency in a given weapon or weapons, you also gain that proficiency in the dogslicer, horsechopper, and all goblin weapons in which you are trained.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
GoblinA creature with this trait can come from multiple tribes of creatures, including goblins, hobgoblins, and bugbears. Goblins tend to have darkvision. An ability with this trait can be used or chosen only by goblins. A weapon with this trait is created and used by goblins.