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This longevity method, which relied on the power of an Immortality Elixir, could normally let a cultivator live a maximum of two lifetimes.
By observing the Nirvana rebirth process of an Immortality Elixir and comprehending the method of Nirvana rebirth from it, one needed astonishing comprehension. Even ordinary Great Emperors could not accomplish this.
After discussing the longevity method of relying on an Elixir of Immortality to live a second lifetime, they began discussing the second, bloodier longevity method.
It was also a longevity method created by the Undying Heavenly Emperor: achieving Nirvana rebirth by bathing in the blood of all Emperors.
"The Undying Heavenly Emperor's bloodline was extremely terrifying, far beyond that of ordinary Great Emperors. Transforming by bathing in the blood of all Emperors was extremely dangerous. The slightest carelessness would throw one's Imperial Dao Laws into chaos, placing tremendous demands on one's own Great Dao. It also involved the undying origin of the Immortal Phoenix bloodline. Aside from the Undying Heavenly Emperor, every Imperial Dao Expert who attempted this method in later generations either exploded during Nirvana or went insane immediately after completing it. This was an exceedingly dangerous method of Nirvana. All Emperors suspected that to truly complete Nirvana rebirth by bathing in the blood of all Emperors, one had to fully comprehend the bloodline origin power of the Immortal Phoenix bloodline's Nirvana rebirth. Otherwise, success was absolutely impossible." Bright Emperor greatly revered the Undying Heavenly Emperor's Nirvana method, but he was also deeply wary of it.
"Achieving Nirvana rebirth by bathing in the blood of all Emperors was indeed easier for the Immortal Phoenix bloodline to accomplish. However, I believe that using this method to transform carried an extremely high chance of eventual degeneration. Maintaining a pure Dao Heart was exceedingly difficult. Without realizing it,