Corruption Blade
Location: Djinn Realm
Price: N/A (Dropped by Tibicenas (Monster) (1))
Sellback: 225 Gold
Rarity: Boss Drop Rarity
Base Damage: 27-33
Description: The more you use this serpentine-edged weapon, the stronger a hold it will have on you, latching on to you mind, invading you thoughts. It has been known to completely consume the unwary.

Thanks to MalignantSurfer and OmfgRly.