C479 Grass of Immortality Yang Su Is Jealous of Me

Little Wu was trembling with fear, thinking that Yang Su would punish him for saying the wrong things.

Yang Su's face slowly revealed a smile, "This isn't a herb, it's an immortal grass. This immortal grass is the one and only existence in the Heavenly Court."

To Yang Su, there was an essential difference between medicinal herbs and immortal herbs. Medicinal plants could be used at any time