War for Mobius: DOOM

A prequel to the entire ABSF Sonic Universe

For centuries, the war between Chaos and his own people waged on. It was only a matter of time before the Ancients allied themselves with something more cruel and monstrous. The Ancients hooked themselves up with an old powerful ally of theirs: the all-powerful creator and leader of the Black Arms and galaxy-renowned conqueror Black Doom, whose greatest desire was the same as the Ancients’, only . . . let’s just say he’s HUNGRY for killing. He was promised to feast on the inhabitants of Mobius if he destroyed Chaos, the traitor. He wholeheartedly accepted. Black Doom was now Chaos’ new enemy to deal with in the war because the Ancients knew the extent to Black Doom’s power, so they had him fight Chaos and finish the war for them. So, he brought the Black Arms and invaded Mobius. The skies turned red. Aliens dropped out of the sky. Villages were beginning to burn. Mobians were under attack by advanced Black Arms weaponry. Not even the strongest warriors could break their skin. Until Chaos stood forth and took on the entire Black Arms with nothing but three or four of the seven Chaos Emeralds, destroying each and every one of them to protect his beloved new planet. Then, when only 20% of the Black Arms was completely destroyed, Black Doom grew tired of this nonsense and decided to take matters into his own hands before he loses any more soldiers. That’s when the became Perfect Chaos’ first rival: Devil Doom! Perfect Chaos and Devil Doom fought like titans of the planet, and it was a tough fight because Chaos also knew how powerful the Black Arms were. So, knowing he couldn’t kill him, he overpowered him and banished him from Mobius and to never come back. But Black Doom said otherwise. He will not wait until Chaos was out of the picture to come back, and find a way to take back Mobius.

Story added by autobotsonicfan on March 4, 2026