Killoren Ancient( Races of the Wild, p. 151)
You favor the killoren aspect of the ancient.
When you are manifesting the aspect of the ancient (see page 103), you can spend 10 minutes of uninterrupted time communing with nature on a specifi c question. After this time has passed, you can make a check using any Knowledge skill. You gain a +4 insight bonus on this check; if successful, you learn answers as if you were trained in the skill, even if you have no ranks in the Knowledge skill in question.