That was an oversimplification but yeah, he was right.
But he was yet to be satisfied by the findings.
"Bulwark said that the mysterious power closely resembles that of the Deities which played a crucial yet indirect role in oppressing the beast and demon races."
Which made no sense however you look at it.
Adam suddenly had an urge to laugh out loud when he recalled a similar paradox from Earth.
The Old Testament in the Bible depicts a wrathful and egoistic monarch who calls himself god while the next portion, the New Testament displays the same person as the most loving, most benevolent and most exalted entity.
The question here remains the same - how can anyone change like day and night?
The Supreme Deities are clearly the culprit for alienating the demons from the continent, but why would their power flow through the skills acquired from the Demon Ruin?