Ring Of Recoil (3.5e Equipment)
From D&D Wiki
Ring Of Recoil: the Ring Of Recoil only functions for those of chaotic good, chaotic evil, chaotic neutral, any evil, or lawful neutral alignment. the user is under the affect of a permanent Empathetic Feedback power, augmented to have a maximum potential damage of 10. This item amplifies desires for revenge in the wearer; This has no in-battle effect, but does have interesting effects on roleplay.
Moderate enchantment;CL ML 10; Forge Ring, Craft Universal Item, Empathetic Feedback, Augmented by 5 power points.; Cost 40500 GP + 3240xp; Weight: 0 lb.; Market Price: 81000gp