Heir of Darkness

A few months after the fall of Eclipse the Darkling and the Black Arms, mysterious events begin stirring amidst the new peace Shadow has found with Rouge. Even though the Ultimate Life-Form has found a peace he never thought possible, a familiar, sinister darkness looms over the horizon...

In a pocket between realms where defeated enemies have been cast aside, Infinite the Jackal drifts on the edge of madness. Sustained by Shadow's new memories of him from the events in White Space, Mephiles the Dark makes contact, and the two hatch a plot for revenge...

When Team Sonic and Team Dark have a competition to raise money for charities to help rebuild the world, events begin to rapidly spin out of control. A new, frighteningly intelligent enemy, Doctor Starline, has entered the equation in his own play for world domination. He brings new - and old - characters together. While chaos and fear run rampant in the wanting light of the autumn months, Infinite and Mephiles' hour draws ever nearer...