Chaos Emeralds, Sonic Nexus Wiki

The Chaos Emeralds are objects originally from Sonic's World. They are each filled with limitless power, enabling one to empower themselves, power machinery or warp time and space. Their misuse at the hands of Doctor Eggman caused the Nexus to open up, setting up the events of Sonic Nexus.

Albums and Doujins

Chaos Emerald (IDW) Sonic News Network+BreezeWiki

Chaos Emerald, Idea Wiki

Chaos Emeralds, Sonic Nexus Wiki

Sonic the Hedgehog (Archie Comics) (Comic Book) - TV Tropes

Chaos Emeralds, Sonic Nexus Wiki

List of Super Nintendo Entertainment System games - Wikipedia

Chaos Emerald (Paramount), Sonic Wiki Zone

Sonic.EXE Mania Abyss at Sonic Mania Nexus - Mods and Community

Orson, Sonic Nexus Wiki

Sonic Adventure DX, SADX

Sonic.EXE Mania Abyss at Sonic Mania Nexus - Mods and Community