The road to becoming an immortal is long, you have to walk through thorns and dangerous shoals, and you have to go through nine calamities and cross the thundery abyss. Qi-entraining, foundation-building, golden elixir... Every step is startling, and the Taoist mind will fall into the devil's abyss if the Taoist mind relaxes a little. Even if you live for tens of thousands of years, you still need to use obsession as a lamp to find a glimmer of hope in the fog.
