Know Thy Enemy (Ex)
Source: Adventurer's Guide, p. 144
When the lore warden succeeds at a Knowledge check to identify a creature’s abilities and weaknesses, she can also use a standard action to grant herself a +2 insight bonus on all attack and weapon damage rolls made against that enemy. This bonus lasts for a number of rounds equal to half her class level (minimum 2 rounds), or until the lore warden uses this ability against a different creature. At 11th level, she also gains a +2 bonus to her AC against the creature when using this ability. At 19th level, the insight bonus increases to +3.