C161 The Most Powerful Fighting Race to Which Sewage Has Been Poured
The seal was originally non-toxic, it was also invisible. The seal could only be sealed, yet it had been added with a formless poison, this technique was simply to the extreme, to be able to create such a powerful seal, to the extent that it was invincible. Perhaps using the word 'strong' was not enough to describe this kind of incredible power, but the more he thought about it