Hate: By controlling Hate, you will gain the power to increase your performance. If you ever hated something, you notice that you do your utmost best to get it done right. By controlling Hate, you can always get the power to do everything as if you hate it, but, as with hate, it is not careful.
Fear: When you know fear, your senses and abilities will be increased. You will act better than usual. When combined with Hate, you will be careful as well.
Anger: The emotion of Anger will increase your abilities when something fails, or isn't going well. You will become more powerful, and you will be able to overcome your obstacles with ease.
After gaining the ability of controlling these emotions, you will learn how to increase these emotions in others. By increasing someone's hate in something, the person will get reckless, and will focus on only one thing. By increasing fear, someone will be afraid of you, he will do everything you want, and do its best not to make you unhappy. By increasing anger, the person will get stronger, and will be touchy, and will easily succumb to hate and fear.
Dark Jedi have an aura of Fear around them. People who are of lower rank, or no rank, will feel fear for the higher ranking Dark Jedi. But fear isn't everything, there is an anger towards the higher Dark Jedi as well, and a hate because the higher ranking one is stronger.
Study the powers of these emotions well, and you will be rewarded. If you fail....