Magic:Globe of Invulnerability

Abjuration
Level: Sor/Wiz 6
Innate Level: 6
Component(s): V, S
Casting Time: 1 action
Range: Personal
Target: Single
Duration: 1 round/level
Counter(s): Greater Spell Breach
Saving Throw: None
Spell Resistance: Yes
Metamagic: Extend, Quicken, Silent, Still
Energy Substitution: No

A shimmering field of energy prevents all spells of level 4 or lower from affecting the caster.