Warren Navigator Feat 1
Source Pathfinder Advanced Player's Guide
You're particularly good at solving mazes and navigating twists and turns. You gain the trained proficiency rank in Survival. If you would automatically become trained in Survival (from your background or class, for example), you become trained in another skill of your choice.
When you Sense Direction or attempt a roll against a Maze spell, you get a result one degree of success better than you rolled. You don't take a penalty to Sense Direction when you lack a compass.
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.
RatfolkA creature with this trait is a member of the ratfolk ancestry.