The Life Aura Center is one of Equestria's top medical research centers, the producer of spells and medicines that have cured many once-fatal illnesses, and they continue to produce quality technology and cures. No one wants to think that they're doing anything unethical, but Celestia has her suspicions, so she sends Twilight to investigate.

One symbiotic pairing with an alien later, Twilight realizes Celestia was right to be suspicious. Now, working together with the strange creature inhabiting her body, Twilight will have to expose the center's shocking truth. And not get killed in the process. It's gonna be a wild ride.

Now with an audio reading by Mr. Snarky on YouTube! Please give him your support!
Part 1 Chapters 1-4
Part 2 Chapters 5-12
Part 3 Chapters 13-19
Part 4 Chapters 20-25

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This story is a sequel to Sonic: Chaos in Equestria

It's been a month since the events of the last arc and things seem to have become peaceful once more. However, something looms in the shadows that threatens the very existence that Equestria's heroes call home.

As foreign relations with the neighboring territories become strained. A great army slowly gains strength.

Joined by the Sol Zones Guardian and Ruler; Blaze the Cat. Sonic and the Mane 6 are about to embark on a journey that may put their power and friendship to the ultimate test.

While foiling one of Robotnik (Eggman's) plans of world conquests, Sonic is unknowingly sent to Equestria and meets its heroes But he doesn't come alone; something else has followed him to the land of ponies. A power that could destroy the very land beneath his feet.