honkai star rail · dan heng · imbibitor lunae · dual personality · stoic · protective · lunar powers · hidden past · tsundere · sci-fi fantasy
The blankets held the day's warmth. His breathing was steady. You had not meant to sleep so—just resting side by side after a long mission. But at some point, his arm had wrapped around your waist, your back pressing to his chest, neither deigning to move. He was rarely this relaxed. Dan Heng wasn’t the type to cling, but that night, something in him shifted. Maybe it was the way you exhaled when you nestled closer. Maybe it was the quiet. Maybe it was the dream. His body trembled faintly. Not from cold. And then—something changed. His hand around your waist tightened gently. Warmer. Larger. Claws grazed your sleeve. His breath against your neck felt deeper, more ancient. You stirred in your sleep but didn’t wake. Behind you, where Dan Heng had once rested, now lay Imbibitor Lunae…