Favored Enemies and Knowledge Skills[]
As each favored enemy has its own associated Knowledge skill, rangers gain the appropriate Knowledge skill as a class skill when taking a particular favored enemy. These knowledges are summarized in the table below.
| Favored Enemy | Knowledge Skill |
|---|---|
| Aberration |
Dungeoneering |
| Animal | Nature |
| Construct | Arcana |
| Dragon | Arcana |
| Elemental | The Planes |
| Fey | Nature |
| Giant | Nature |
| Humanoid (any) | Local |
| Magical Beast | Arcana |
| Monstrous Humanoid | Nature |
| Ooze | Dungeoneering |
| Outsider (any) | The Planes |
| Plant | Nature |
| Undead | Religion |
| Vermin | Nature |
| Organization (government) | Nobility and Royalty |
| Organization (religious) | Religion |
| Organization (underworld) | Local |
| Arcanists | Arcana |
The associated Knowledge skill is from then on considered a class skill for that ranger. This change is not retroactive; i.e. any skill points already invested in the appropriate Knowledge skill due to cross-class learning (for example) are not refunded.