The Sonic the Hedgehog Headcanon Thread of Lore and Time Stones

So, new headcanon from all of the things I've brought up today.

The Babylonians, after being unable to return home, settled on Earth as one of the Four Great Civilizations. They were content for the moment, until one day the Echidna broke the shield around the Altar of Emerald and were mostly wiped out by Perfect Chaos.

The Babylonians, seeing the power of the Chaos Emeralds, sought them out and developed a machine to collect them: the Gizoid. However, it went rogue and wiped out the Babylon civilization. Humanity, alarmed by this development, alerted the Echidna as the Babylonians were being destroyed, who brought the Master Emerald over to counter the rampaging machine.

Once the Gizoid was stopped, the Chaos Emerald were separated from it and hidden, while the Master Emerald was returned to the Altar of Emerald because it was risky enough doing that, they didn't want to chance of another Perfect Chaos happening.

 

Found it, it's a single line in Shadow's story from Rouge.

2:40

The events of Sonic Adventure's past being 3,000 years ago comes from the Sonic Adventure Navigation Guide, the game itself never specifies, but I've no reason to go against that information. Technically, I'm not going against the game if I bump it up a thousand years, but I accept The Truth of 50 Years Ago from a similar source, so no, not happening.

Shame, I liked the headcanon.

EDIT: So...

?000 years ago - Ancients wiped out by The End.
?000 years ago - Babylonians crash land on Earth.
4000 years ago - Emerl destroys one of the four great civilizations.
3000 years ago - Perfect Chaos destroys the Echidna civilization.
2000 years ago - Black Arms drop temples from orbit.

Yeah, the whole "ruins upon ruins" thing really can still stand even without the Great Civilizations being sequential.

Did anything happen 1000 years ago? Also, Silver currently trying to delay the destruction of civilisation in the present, delaying the pattern?

 

Check further up, post #453. Black Doom mentions they dropped temples to the Earth in preparation for their invasion.