Teach Me the Method of Longevity?

On the only large chair in Water Curtain Cave, Son Goku sat alone, staring blankly into space. The monkey that had been playing with them just moments ago had died for no reason at all. It was difficult for the newly born Son Goku to accept. Unless one had lived to that age, no one could understand why someone who had been breathing and laughing one moment could suddenly die the next. Dying of old age seemed like a perfectly natural thing, but whether monkey, human, or any of the countless things in this world, was there truly no one who could escape the fate of the cycle of life and death?

"That monkey's lifespan had already reached its end. Everyone has a fixed lifespan. Once it is over, no matter how powerful they may have been in life, they cannot escape the cycle of life and death. Only by embarking on the path of immortality is it possible to break free from this constraint. But seeking immortality and the Dao is not an opportunity everyone gets!"

Son Goku recalled what Li Li had told him. The confusion in his eyes finally faded, replaced by clarity and a hint of determination. He then rose and headed for the stone chamber where Li Li was.

Inside the stone chamber, Li Li took out the Immortal Heavenly Palace. Looking at the tiny heavenly palace in his palm, a smile appeared on his lips, along with a trace of anticipation. After decades, he could finally meet Kushina and the others again, as well as his two adorable daughters.

"Kushina, Kinnara, Mikoto, Miroku, Konan, Hinata, Shion, and Boa Hancock, you've slept long enough. It's about time you woke up!" Expectation flashed through Li Li's eyes. With a thought, the Immortal Heavenly Palace erupted with