Ah, a classic example of dark energy.
Dark energy, in it's natural, unstable state, is very difficult to handle. It can lead to very destructive behavior, like hurting people. I try to keep my dark energy in check, because it tends to multiply very quickly when passed from one entity to the next. For example, arguments.
Arguing with someone is one way dark energy infects others, it will feed off of your rage, bounce back and forth between those involved in the argument, and multiply itself until someone leaves the room, physically or consciously.
Stable dark energy has to be refined to exist. The process is unique to each individual, but when done correctly, it becomes a icy cold, controlled rage.
when you are using stable dark energy, you become single minded, example: "What is the most effective way to destroy the opponent in front of me"
no matter who you are, you should learn to control, if not to harness your dark energy, because it can destroy you, physically, emotionally, and spiritually, if you allow it, or if you aren't aware of it.