Chương 641: Chapter 607: Ancient and Modern Changes of Mountains and Rivers

Valley of Eternal Life was a secret realm accidently discovered by the Medicine King Sect.

It earned its name because it was abundant with the raw materials required to make the [Elixir of Immortality].

True to its name, the Elixir of Immortality was said to extend the lifespan of cultivators.

It was a coveted secret of the Medicine King Sect and the key to their prosperity.

Depending on the quality of the elixir, it could extend one's lifespan by varying lengths. The most outstanding Elixir of Immortality was even superior to the [Tian Du Hua Feather Pill], capable of extending life by a thousand years.

The creation of the Elixir of Immortality required high-quality medicinal herbs and the use of the Medicine King Cauldron as the core, along with eighty-one auxiliary Little Pharma Sovereign Cauldrons to form the [Great Array of World Salvation and Eternal Life]. During the process, one needed to continuously infuse the [Evergreen Vital Force].