In Chapter 189

in 3000, Wang Yu created this skill in order to find a way for him to continue his cultivation and improve his realm. However, he didn't expect that the skill he created inadvertently became the fundamental one in the heaven clan of the devil kingdom.

……

the time of 3000 years is not short, but it is not long. For them, it may be tens of thousands of years to close once. The longer the higher the cultivation is, the longer the closing time will be. However, the gains are not necessarily high.

after all, the stronger the cultivation, the more difficult it is to improve.

Wang...