Invulnerability to Normal Weapons
(Abjuration)

Range: 0
Components: V, M
Duration: 1 round/level
Casting Time: 2
Area of Effect: 5-foot radius
Saving Throw: None

 This spell creates an immobile, faintly shimmering magical sphere around the caster that cannot be penetrated by non-magical blunt weapons, edged weapon, or missile weapons. The caster can use these weapons from inside the sphere to attack opponents normally. Spell can also be cast through the sphere. The sphere can be negated by dispel magic.
 The material components for this spell are a piece of a broken non-magical weapon and a scale from a dragon.