I'm Leveling Up Too Quickly - Chapter 401 - : Powerful Trait (1)

... Wuwan had chosen to fuse. They belonged to the five most common poisons. These five poisons were also known as the five poisons among the people.

Even though Zhu Wuan’s Thousand Poisons Technique, which was at the fourth level, could completely fuse with even more terrifying poisons, or even directly fuse with a Grade 4 poison, Zhu Wuan did not do so.

The Ten Thousand Poison Sect divided the world’s poisons into nine grades, from grade one to grade nine. The five poisons that Zhu ...