Invulnerability

Abjuration
Level: Wizard 7
Duration: Concentration, up to 1 round / caster level
Action: standard action
Range: personal
Save: will negates (harmless)

You focus and become immune to physical damage

You become immune to piercing, slashing and bludgeoning damage.

Focus: A single piece of adamantide, that weights at least 5kg.

Material Component: None