Beast’s Origins
The weaknesses for most Commons is holy water or a blessed artifact.
Lastly, you have the Royalty class named after the Prince of Darkness himself. Lucifer, Beezlebub, Mephistopheles, Leviathan, and several more are considered to be the toughest and most hardest to get rid of during possession. These demons are likely to kill you in the physical world with an immeasurable amount of power that is only measured by Gods. Weaknesses are unknown.
The powers that a demon possesses are based on their class level. The possible powers that a demon can have are these however some can have more powers but these are the attributes of all: