If such a martial art wasn't unnatural, then there wouldn't be any unnatural martial art in the world.
The most important point was that even if it failed, it wouldn't lead to a fatal danger. As long as the cultivator took some time to rest, he could be recovered. That was the most important and unbelievable thing.
In other words, the cultivator could operate such a martial art again and again.
"With that martial art, Master Feng, how long do you think it will take you before you could reach the Spirit Origin Stage?" Bing Xinyue cautiously asked.
When she asked about that, she was anxious.
