Varscona

Varscona is an enchanted longsword +2 which also deals cold damage when hitting the target. It can be gained in the subquest when the party is asked to return the emeralds stolen by Prism and may end up fighting the bounty hunter the Grey Wolf who will drop this item when killed.

In-game description
"Long sword +2: 'Varscona'. Blades of this type were used by Sharran priests during the sacrificial rites of Feast of the Moon ceremonies. Legends say that, when she passed on, the remains of this sword's wield were mummified and the blade was placed within her chest as a symbol of power. In the first stage of a long forgotten ritual, she was to have been excumed in a season, born again in some new form. Unfortunately, cult wars killed the few that knew of her existence ; her tomb became a prison where she was forgotten, and there she developed  a rage that bordered on insanity. Her grave was eventually found, but it was deserted and gave no indication of her whereabouts. Some venture to say that her anger was so concentrated, she became one with the very blade of her weapon. Regardless, after hundreds of years surrounded by constant hate, the sword harvested a power of its own. It is now exceedingly deadly in combat."