Gorthur Gvaed

Gorthur Gvaed, known also as Gorthwr Gvaed, Gorthvr Gvaed or Viper Keep, was a seat of the witcher School of the Viper. Built in the deep chasms of the Tir Tochair mountains it served the Vipers until it was destroyed by the Usurper's army.

It used to host several books and scrolls about the Wild Hunt.

Trivia

 * Gerring of Kharkiv
 * Letho of Gulet
 * Auckes
 * Serrit
 * Mysterious assassin
 * Kolgrim
 * Ivar Evil-Eye