Type: General
Source: Planar Handbook
Choose an element (air, earth, fire, or water). You cast spells with that descriptor more effectively than normal.
Prerequisite: Knowledge (the planes) 2 ranks.
Benefit: You cast spells with the chosen descriptor at +1 caster level.
Special: You can gain this feat multiple times. Its effects do not stack.
Each time you take this feat it applies to a new element.