C24 Demon Rune Engravement(2)

Before long, the dark green stone was bathed in a fiery red glow.

The Dark Green Flame Stone!

Basking in the sweltering warmth, Lin Feng nodded with satisfaction. Inscribing a single Demon Rune had already increased the stone's value to five hundred silver coins, but refining it into a Dark Green Flame Stone could boost its worth to eight hundred.

Moreover