The More-walker is the subject of an ancient prophecy among the villagers of Overvale. According to the prophecy, one with the ability to travel to the Afterglade from birth will arrive, who will pave the way for the rest of them to leave the vale in a time of great peril.
The details of the More-walker are vague, and recognizing the person as the true subject has always been a source of contention. It was designed this way by Ald, who fabricated the entire thing in preparation for the possibility of an outsider's arrival or for a time when the inhabitants would need to evacuate.
Dreya
The prophecy becomes relevant when Serika Swiftmaker discovers Overvale through the Forbidden Caverns and gives birth to Dreya. Because the infant is born with a mysterious tattoo, Ald has the ammunition he needs to convince everyone that she is the prophesied one.