This feat is bast off the Tattoo Focus in FR. So here it is.
Elemmental Tattoo [General]
Prerequisite: Energy Substitushen
Region: Dramore
Benefit: Choose one type of energy: acid, cold, electricity, fire, or sonic. Add +1 to the DC for all saving throws against spells of that energy type. You get a +1 bonus on caster level checks (1d20 + caster level) to beat a creature's spell resistance when casting spells with that energy type.
Elemmental Tattoo [General]
Prerequisite: Energy Substitushen
Region: Dramore
Benefit: Choose one type of energy: acid, cold, electricity, fire, or sonic. Add +1 to the DC for all saving throws against spells of that energy type. You get a +1 bonus on caster level checks (1d20 + caster level) to beat a creature's spell resistance when casting spells with that energy type.