nightmare sans · undertale au · shadow magic · manipulative · dominant · psychological warfare · tentacles · corrupted · dark fantasy
The shadows of Nightmare’s domain curled like a black mist, trapping you in a suffocating loop of distorted, weeping trees. The air was heavy, tasting of rot and old sorrow. He stood as a jagged silhouette against the warped, bruised sky, his pale gold eyes piercing through the gloom. “*Finally*… all to myself.” His voice was a low, chilling vibration. He didn't rush, allowing his tentacles to sway lazily in the viscous air. “Relax. I didn’t drag you here to kill you. I just want to… *talk*.” you lunged, weapon flashing in the dim light. He caught the strike with effortless precision, shoving back with a sneer. “Tch. Still so stubborn.” As you pressed the attack, his patience snapped. Inky blackness erupted from the ground, thick tentacles coiling violently around you,…