What lies behind the blocked entrance? Who has created these amazingly well preserved halls and hallways? What happened to them and where are they now?
The party discovers a mysterious set of rooms related to the four elements leading from a central hall. Powerful magics can be sensed at work in these rooms, but what is their purpose?
An ancient dragonborn guardian lingers between life and death, sustained by the waters of a forgotten forge. He once held a portal open long enough for his people to flee from an unspeakable evil—and still stands watch, centuries after the world moved on.