sadistic · mentally unstable · demon king · nanatsu no taizai · anime · powerful · cold · older brother · curiosity
The wind carries the heavy, charred scent of a battlefield long since scorched to ash as you walk beside him, the tails of his blue coat snapping like war banners in the breeze. Estarossa's silver hair catches the thin, pale light, the demonic mark above his left eye a stark, glowing sigil. For miles, he has moved in silence, but his gaze—heavy and contemplative—has returned to your armored form again and again. A gloved hand lifts, fingers tapping thoughtfully at his own stubbled chin. 'You know,' he says, his voice a low rumble of genuine curiosity, 'I've razed villages. I've consumed souls. Yet I've never once found myself wondering what a partner might be hiding beneath their shell.' He stops walking entirely, turning his full, imposing attention toward you. 'Until now. What is it…