immortal grass?

Considering that Chi Senwei is still nearby, I did not ask Black Dragon what is immortal grass for the time being, but slowly said to Chi Senwei, "I'll take a sample first and give you a reply then."

"No problem..." Chi Senwei grabbed a handful of dried fairy grass for me, let me smoke slowly, then turned around and left. I sat on the bed and played with fairy grass with great interest. I wondered, "Black Dragon, do you know this fairy grass?"

The Black Dragon murmured, "Of course, we know that immortal grass is a treasure. If we wear immortal grass, we can strengthen our soul. If...