C614 [at the Base of the Cloud Mist Mountain]

The so-called ‘refining of venomous insects’ referred to the process of placing countless Venomous Insects together and allowing them to fight each other. In the end, the one that survived would be the strongest among the Venomous Insects, and it would be called the ‘Venomous Insect King’.

And these three wild beasts had accidentally used the same method of refining venomous insects