Deep in the mist-shrouded Ten Thousand Mountains, Yinchen is the last tomb keeper of Dragonhead Valley. When Yue Qingyang, a descendant of the Yue family, her sworn enemies, enters the forbidden grounds carrying a keepsake of his mother, a truth buried for a century is forced into the open: what they have been guarding is not an ancient tomb, but an ancient observatory linked to the world’s leyline network.
When three broken rings are reunited, they activate the “Leyline Lock Formation” buried deep beneath the earth. This colossal bronze city is both a cage and a cradle, imprisoning an unknown being capable of reshaping the world. As various factions fight over the rings, Yinchen and Yue Qingyang discover that their bloodlines are not merely keys, but the system’s final firewall.
From the labyrinth of a thousand coffins to the City of Bronze, from the Arctic ice fields to ruins beneath the sea, the two must choose between trust and betrayal. When the “Guardian Protocol” activates, binding their individual fates to the survival of the planet, they choose to become a bridge between human civilization and an ancient legacy, even if the price is merging with the bronze and keeping watch until the next forty-nine-year cycle.
This is a story of betrayal and loyalty, sacrifice and hope. As the star map lights up again and a signal comes from deep space, two chosen souls must make their final choice at the summit of the world: seal the secret away forever, or bravely embrace humanity’s coming of age in the cosmos?
