"This is a design I saw in an Extraterrestrial Taoist Book, I found it quite interesting... and I also left room for a future energy furnace interface..."
Fang Xi responded with a smile.
The Nine States, due to the previous 'Door of Ten Thousand Worlds', were indeed connected to many worlds.
The Taoist books that were spread from those worlds were uniformly known as 'Extraterrestrial Taoist Books'. Among them, the most famous was the Pure Yang Taoist Book that recorded the 'Sun True Fire Cover' artifact.
Beyond that, there were some odd and unusual martial arts techniques used by ordinary people. Combined with prosthetic modifications, they developed different functions, and some could even rival Qi Refining Foundation Establishment cultivators, which is considered quite impressive.
Having used the Extraterrestrial Taoist Book as an excuse, Huo Yunzi didn't inquire further.
