Return to Karazhan is a dungeon whose entrance is located in Deadwind Pass in the World of Warcraft game. The minimum level for this dungeon is 110. The dungeon contains 8 bosses. The end boss of Return to Karazhan is Moroes.
The Maiden of Virtue is an easy enough boss to kill in Karazhan Tower. When the fight starts, she will primarily stamp her feet to cause damage to the group. Melee need to move in and out as she spouts a lot of AOE flames that will cause damage to the players. The boss is similar to the bosses of the same type that you will encounter in Uldaman and in the raid Halls of Lightning