Reply-Code Alpha is a signal that Algalon the Observer could send to the Titans, signaling all is well on Azeroth. According to the Archivum Console of Ulduar, Reply-Code Alpha is one of two possible reply signals following by planetary diagnostics after the arrival of Algalon. The chance of Algalon sending such a signal is nearly 0%. This item starts the quest Heroic: All Is Well That Ends Well.