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.,For Jiang Yan, this was simply the start of a hell-level dungeon!,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.。