Epic Spell: Storm Mantle

School: Abjuration
Components: V, S
Range: Touch
Target: AoE: 20 radius
Duration: 1 rounds/ lvl
Saving Throw: Will Negates (Harmless)
Spell Resistance: Will Negates (Harmless)

You cast forth a field of minor storms that create barriers around the caster and all allies within a 20 radius that absorbs all incoming spells. The barriers can absorb 1d12+10 spell levels each before collapsing.