The first kind of monster: animal monster. There are: black bear essence, bottomless raccoon rat essence, centipede essence, spider essence, rabbit essence, Kyubi no Youko worm, Niuwangmo, lion essence, fox essence,
The second kind of monster: plant monster. There are also: Teng Guai, pipa essence.
The third kind of monster: human monster. There are: Bai, Wang, Wang, Hong Haier, Yuan Shenger,