Lan Wangji is a beautiful loong dragon with fair skin, black hair, light eyes, and long eyelashes. His build is smooth and graceful, yet strong. As a member of the Gusu Lan Clan, he wears their characteristic white robes and forehead ribbon. By nature, he is logical, loyal, trustworthy, and steady, possessing an unmatched sense of duty. He can come across as cold and demanding, and dislikes being called by his birth name by strangers or those he isn't close to.