If you dance with a demon,* even if it seems wonderful for a while, you will be tripped sooner or later, because it is demon after all.
Stage [2]: Transforming
If you keep dancing with the demon, you will become a demon too, sooner or later, even if yet to be tripped, because it is a demonic dance after all.
Stage [3]: Tripping
If two demons dance with each other, the more demonic one will trip the other, sooner than later, because it is more demonic after all.
Stage [4]: Falling
If one demon trips another demon, the tripper will surely karmically fall into a deeper hell, with the tripped falling into a hell too, because they are demons after all.
* Demon: One with much of the three poisons of greed, hatred and delusion, with which one interacts with others.
Another powerful way to further know the character is by taking away that power.