"Our focus is to be shifted. We created a wake when we destroyed Hashladûn and took the Cryptoglyph—and that wake has grown and grown. Hashladûn's two remaining sisters appear to have picked up where her foul plans left off. Once again, strange Hive rituals have commenced near the Keep. We must tame these plans before they become too grand to handle."
Investigate the Hive rituals in Sorrow's Harbor.