Sword of Justice (3.5e Equipment)
From D&D Wiki
 Sword of Justice
- The Sword of Justice is an artifact in the Twelve Swords campaign setting.
This sword (like the other eleven) has a generic metallic colored blade and a black hilt. There is a small white symbol (See Symbol below) etched in on side of the black hilt. The sword is unbreakable, and it will retain an extremely keen edge no matter what it cuts or is struck against, and always gleams with a faint white tinge.
Symbol: ring (circle)
This sword acts as a +5 Longsword as well as has the below ability.
The Sword of Justice throws the power of the opponent(s)'s attack back at them. Acts a ring of spell turning (and overpowers any such ring) against spells. This ability can rebuke 10 levels of spells per day. The sword does not block attacks made with a melee or ranged weapon, only spells.