Start by swallowing the elixir of immortality
The Great Departure Dynasty, the birds become demons, the human race refines qi, the Son of Heaven pursues immortality, and the qi refiners in the palace refine the elixir of immortality.
In twenty-two years, the medicine was completed, and a slave needed to be found to test the medicine. Liang Yi opened his eyes, walked out of the underground palace, and was ordered to swallow the elixir of immortality.
And after taking the immortal medicine, he was beheaded on the spot...... ps: Shinto stream and cultivate immortals, and the era setting is similar to that of the pre-Qin.