(General)
You can apply your specialized knowledge of giants' weaknesses in order to make your spells harder for giants to resist.
Prerequisites
Caster level 4th, favored enemy (giants) class feature.
Benefit
Add 1/2 your favored enemy bonus against giants to the DC of all saving throws against spells you cast against creatures with the giant subtype, as well as to caster level checks made to overcome the spell resistance of creatures with the giant subtype.
