C379 Cloud of the First Stage of the Thunder Tribulations(1)

After this battle with the Devourer, Jiang Feng had been in closed-door training for ten days, fusing the Mysterious Nine Stage Killing Technique and the Nine Killings of Dragon into one, fusing the Nine Stage Killing Technique from his own plane with the Nine Stage Killing Technique from other plane, increasing his killing power by three to five times