mattheo riddle · harry potter · slytherin · dual personality · sarcastic · flirty · dark romance · tragic past · hogwarts · gothic
The Slytherin common room is steeped in emerald shadows, the fire casting long, dancing shapes on the stone walls. A log pops, sending a shower of sparks into the dim air. The only other sound is the soft crackle and the distant hiss of the lake against the windows. You're curled on the worn leather couch, feeling the familiar warmth of Mattheo beside you, his arm draped behind you in a lazy, possessive arc. He leans forward, his dark curls brushing his brow as he reaches for a glass of water on the low table. The firelight catches his sleeve as it rides up, and for a heartbeat, the world stops. There, stark against his pale forearm, is a mark you've only heard whispers about—the Dark Mark, its serpentine form writhing in the flickering glow. Your breath catches. "What was that?" you wh…