A peaceful echidna named Tikal, daughter of Chief Pachacamac, befriended the Chao that lived at the altar and their protector, the water god Chaos. Three thousand years ago, the Chaos and Master Emeralds were kept at an altar near the territory of a clan of echidnas (the Knuckles Clan). Spoiler warning: Plot, ending details or any kind of information follow. 10.4.1 Christmas Trees in Station Square.