How to summon a person who summons nine kinds of potions against water?

In this game, the specific methods of nine-spirit witch doctors to summon men are as follows:

1. In the game "Cold Against the Water", you need to find the "Wang Yaogu" area in the map of Jiuling Ren Yao.

2. Find "Wang Yao Cave" in "Wang Yao Valley".

3. After entering the Wang Yao Cave, you can find the "Soul of Wang Yaozhi", and you can summon a witch doctor with nine spirits by talking to it.