Zen originated outside of China.
In Japanese Zen, the use of esoteric practices within Zen is sometimes termed "mixed Zen" (kensh zen ), and the figure of Keizan Jkin (12641325) is seen as introducing this into the Soto school
=== Caodong/St/To ng ===St is the Japanese line of the Chinese Caodong school, which was founded during the Tang Dynasty by Dongshan Liangjie

