Archmage Rhydian appears at Crusaders' Pinnacle after it is conquered, here she will teleport the player to Shattrath for the  part of the Crusader Bridenbrad questline. Later in Ulduar she is discussing strategy with a Lore Keeper of Norgannon. She later accompanies Lady Jaina Proudmoore through the Frozen Halls questline. During the encounter with Arthas in the Halls of Reflection, Rhydian follows Proudmoore when she chaces after him. She is slain during the encounter and her body can be seen by players as they walk the halls towards Arthas.