During the Fourth Age, the Iorwerth Clan betrayed the other elven clans, conquering Prifddinas and denying the other seven clans access to the tower. During Within the Light it is discovered that the tower reverted back into a crystal seed by the elders of Prifddinas, During Plague's End it, along with the rest of the city, is restored, and after the quest it can be accessed, and serves the main hub of Prifddinas.