To master the Dual-Phase Technique, the discipline must achieve the seventh layer of Qi cultivation for both phases.
If the "Longevity Spiritual Power" and "Red Flame Sword Jue" have both reached the eighth layer of Qi cultivation, invoking the Dual-phase Rotation could harness the power of the ninth layer in a short period.
Of course, it merely elevates minor realms. The bottleneck between Qi cultivation and Foundation Establishment cannot be overcome by this technique.
"Inject into me one of your spiritual energy."
Even though Liu Wenbo didn't understand why, he obediently did as instructed.
Chen Mobai held up the Spirit-Testing Instruments he had hidden in his palm and inspected his disciple's Spiritual Roots.
Liu Wenbo: [Gold 13, Wood 27, Water 28, Fire 22, Earth 10]
"How old are you this year?"
"I will turn thirty by year's end."