Dark Chaos

Dark Chaos is an Friend introduced during the second part of the Race Update. 
== Obtaining ==
Dark Chaos can be obtained from the Race Shop for 400 Tickets each. These tickets can be earned by playing races, doing Dodon Pa adventures, or via Codes.
As of the Vector's Investigation Event, Dark Chaos is now also on the Emerald Hill Boss Battle Hard Mode Spin Wheel, with a spin rate of 0.48%.
== Trivia ==
* At the time of release, Dark Chaos took the spot for best XP Friend in the game.
* Dark Chaos was originally on the Race Spin Wheel before it was removed, with a 3.45% per spin.
* Dark Chaos originate from the Sonic Adventure 2 Chao Garden, where a Dark Chao can evolve into a Dark Chaos Chao.