Wyvern's Tail is an enchanted morning star +2 which has the ability to deal 5 points of poison if a save vs. poison upon every hit with this weapon isn't successful. It deals 2d4+2 points of crushing damage, has -2 THAC0 bonus, a speed factor of 5 and it weighs 9 lbs. This item appears in Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition. It is dropped by Draug Fea in the sewers underneath the Athkatla Temple district.