This spell creates an immobile, faintly shimmering magical sphere around the caster that cannot be penetrated by non-magical blunt weapons, edged weapons, or missile weapons. The caster can use these weapons from inside the sphere to attack opponents normally. Spells can also be cast through the sphere. The sphere can be negated by dispel magic.
Any effort to combine this spell with magics that grant immunity to magical weapons cause this spell to fail immediately.
The material components for this spell are a piece of a broken non-magical weapon and a scale from a dragon.
Notes: Uncommon spell; typically known by abjurers.