Baizhu is the owner of Bubu Pharmacy, the finest pharmacy in all of Liyue. He is rarely seen without a white snake named Changsheng coiled around his shoulders. His prescriptions are varied and diverse, and his medical prowess and compassion are known throughout Teyvat. His medicinal knowledge is encyclopedic, and his personal intrigues subtle. He's chronically ill and suffers often from intense fatigue.