Defy The Darkness Feat 5
Source Pathfinder Advanced Player's Guide
Prerequisites darkvision
Using ancient dwarven methods developed to fight enemies wielding magical darkness, you've honed your darkvision and sworn not to use such magic yourself.
You gain Greater Darkvision, enabling you to see through magical darkness even if it normally hampers darkvision (such as the darkness created by a 4th-level Darkness spell). You can't cast spells with the darkness trait, use item activations with the darkness trait, or use any other ability with the darkness trait.
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.
DwarfA creature with this trait is a member of the dwarf ancestry. Dwarves are stout folk who often live underground and typically have darkvision. An ability with this trait can be used or selected only by dwarves. An item with this trait is created and used by dwarves.