Proof of Loyalty

 is an uncommon drop necessary to build the The Demon's Fang artifact.

Obtained from

 * Random drop from any enemy

Feats

 * Dark Dentistry: Study items to build the The Demon's Fang artifact. You must be wearing the Eyes of Dusk to collect these pieces. (50 Points)

Trivia

 * The item is not visible to uninitiated player characters and can only be seen if the Eyes of the Dusk are equipped during combat.