This individual is the great ancestor to the men who protect the stone city with pyramids who went to the lost city of Nan Madol to die because his home city was gone. He originated from Katua Peidi or the city where the builders of Nan Madol lived. Horon-ko is buried with a diary that explains the history of the crystal and how it affected their entire tribe. When Jack saves the earth from devastation by acting as a GPS signal for the crystal's destruction, time is warped to such a degree that he has a conversation with Horon-ko and in sudden flash of understanding realizes that he is the messenger referred to in Horon-ko's diary.