The Twelve Zodiacs

After Yin sacrificed himself to save the universe from his evil brother's clutches,Yang- Castiel,an immortal man gets a vision where Yang is freed from his prison and plunges the whole universe into cold and darkness.

Castiel's goal is clear: Assemble The Twelve Zodiacs, Yin's loyal soldiers lost through space and time to resurrect Yin once more or the universe will surely perish.