The Ark of the Cosmos is a set of five mystical rings that grant two gravity-based abilities:

The most compelling part of the Arks' lore comes from their origin. When the gang eventually revives Babylon Garden, they discover the ugly truth behind their creation.

The true danger of the Arks is revealed during the game's climax. When all five Arks are brought together at Babylon Garden, they possess the power to create a planetary-scale black hole known as the .