Moments later, he sighed helplessly, gently raised his arm, and looked at the faint, gray mark resembling a furnace in the palm of his hand, muttering to himself.,Jiang Yan was a traveler who, during a special fire in his past life, inexplicably traveled to another strange world of Earth.,Suddenly, as Jiang Yan's thoughts were drifting, the gray mark on his palm that resembled a furnace unexpectedly began to emit a faint glimmer.。