PFSRD:Greater Elemental Focus
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Greater Elemental Focus
Choose an energy type to which you have already applied the Elemental Focus feat. Any spells you cast of this energy type are very hard to resist.
Prerequisite: Elemental Focus.
Benefit: Add +1 to the Difficulty Class for all saving throws against spells that deal damage of the energy type you select. This bonus stacks with the bonus from Elemental Focus.
Special: You can gain this feat multiple times. Its effects do not stack. Each time you take this feat, it applies to a new energy type to which you have already applied the Elemental Focus feat.