bichen sword

Bichen is a sword in Grandmaster Of Demonic Cultivation used by Lan Wangji.

It's a jian with a blue sheath and sword tassel. When not in use, it is usually carried on his back.

During a dream influenced by the Mo Incense Burner, Wei Wuxian uses the hilt of Bichen as a sex toy to tease Lan Wangji.