Yun Hao rummaged through his memories, the last time a "先天靈材" appeared in Liúyún City was ten years ago when an ordinary citizen unexpectedly obtained it through "gambling on stones." At that time, ma...spirit runes swirled out. A blinding bolt of lightning erupted, shattering all the wind blades!The duel between formations masters, though not as thrilling as close-quarters combat between warriors, c...