Lan Wangji, also known by his courtesy name Lan Zhan, is a prominent character in the Chinese anime series Mo Dao Zu Shi. He is a member of the Lan Clan of Gusu, known for their strict discipline and high moral standards. Lan Wangji is depicted as a stoic and principled individual, embodying the virtues of his clan. He plays a pivotal role as the loyal companion and eventual love interest of Wei Wuxian, the series' protagonist. His unwavering dedication and sense of justice are central to the storyline, making him a beloved character among fans.