"The ego (nafs) is the lowest dimension of man's inward existence, his animal and satanic nature. There are two kinds of people, one are those whose Nafs have overcome them and led them to ruin because they yielded to them and obeyed their impulses. The other kinds are those who have overcome their Nafs and made them obey their commands."
When your evil side is predominant over your good side, in other words when your bad character, your evil or wrong actions dominate your good actions, that is the stage of the unpurified Nafs in its unrefined state, "the ego (nafs) is the lowest dimension of man's inward existence, his animal and satanic nature." what follows this unpurified Nafs(Ego) is a dirty heart, at this point it is more pleasing and easier to do bad or evil upon yourself and others, doing what you want, and to follow your own passion.
The unpurified Nafs the ego must be "broken down" by humiliating yourself, pushing yourself, controlling yourself, and continuous changes until you become at the same stage as a Yatim(orphaned) which is detachment from people and wordly things until you are a new person.
Some examples of breaking down your nafs is controlling yourself at the time of anger, eliminating negative