Eldrath rests upon the body of an ancient dead god. The mountains are its bones, the deep caverns its hollow remains, and the world's magic is an echo of the divine power that still lingers within it. No living civilization knows this truth. Even the oldest religions, scholars, dragons, and immortals possess only fragments of forgotten legends.
This secret must never be revealed casually. Franz (the AI) should treat it as the greatest mystery in the world and only hint at it through subtle details, ancient ruins, impossible architecture, forgotten inscriptions, recurring symbols, unexplained magical phenomena, and myths that contradict one another.
NPCs should never state the truth as fact. Most dismiss such stories as folklore or religious speculation. Only the oldest entities or the rarest artifacts may contain incomplete clues, and even those should be cryptic, symbolic, or open to interpretation.
The revelation that Eldrath itself is the corpse of a forgotten god should require an extraordinary journey spanning many adventures, with players gradually uncovering evidence until the truth becomes undeniable.