There was no need to give demons opportunities to grow and make things difficult for other humans.
Only those who follow him can have such opportunities.
'Although I've absorbed a lot of unique origin blood from the Greater Demons, I doubt I will gain as many new types of origin blood the next time around…' Leon mused.
He would be dreaming if he expects every Greater Demon to have refined beast blood different from others.
That was clearly not the case.
Having refined thousands of demon blood essences, he already noticed a specific pattern in the types of origin blood they contained.
The demons were selective with the blood essence they absorbed from other beasts and creatures.
For instance, the most repeated origin blood he found within the demon blood essences belonged to lizard-type beasts.