It starts with "introducing Qi into the body" and ends with "breaking boundaries and becoming the Tao".
There are nine realms of Xuantu, one realm and one pass.
Dispel the turbid qi, kill the demons in the heart, overcome the strong wind, condense the Tao elixir, reveal the Dharma, look into the void, ask the mind, bathe in the thunder tribulation, and the Tao can understand the mystery.
Break through the nine levels and establish Xuanxian.
