Isaac first read the Evil Power Encyclopedia. To wield the power of Demons, one must first understand what it was capable of, its underlying principles, how to counter Evil Energy, and how to halt its plague-like spread.
Only by understanding these things could he earn the right to use Evil Energy.
'Using it without knowing a thing, like those Black Orcs did, is the height of stupidity!'
And the results were just as expected. Every Black Orc who dabbled in Evil Energy ultimately underwent Demonization. While their power increased dramatically as a result, this was by no means a good thing.
For example, during that clash, the Black Orc High Priest had sacrificed his Demonized brethren to the Demons in exchange for greater power. In truth, many of the Black Orcs had been killed by their own kind.
This was a major drawback of Demonization. Demons possessed a strict hierarchy where Upper Position Demons could exert nearly absolute control over Lower Position ones.
