SRD:Ring of Adamant Law

Adamant Law
The wearer of this ring is constantly sheathed in a shield of law effect. It bestows one negative level on any chaotic creature that puts it on. The negative level remains as long as the ring is worn and disappears when the ring is removed. This negative level never results in actual level loss, but it cannot be overcome in any way (including restoration spells) while the ring is worn.

Caster Level: 15th; Prerequisites: Forge Ring, Forge Epic Ring, shield of law, creator must be lawful; Market Price: 250,000 gp.