SFS Standard Elemental Favor Feat 9

Source Galactic Ancestries pg. 184
Prerequisites Liminal Ryphorian
Even though the calling of your blood doesn't lie squarely with the summerborn or winterborn, you feel that you can nudge it in one direction or the other to help protect you. You gain resistance to cold and fire equal to half your level.

Traits

Ryphorian:A creature with this trait is a member of the ryphorian ancestry. They are trimorphic elf-like humanoids with exceptional hearing whose appearance changes with the seasons. An ability with this trait can be used or selected only by ryphorians.