My Little Dark Puppet

The Third Task of Tri-Wizard is at an end, and two young hands reach for the cup unaware of the trap laid down upon it. As a Dark Lord is about to be reborn, a small twist to the plans complicates matters. The Dark Lord is about to rise and take over the wizarding world, but even as he emerges his plans are changing radically. AU, Dark(?)!Harry, One-Shot