They are things that can and will help you. First, you need to look for the best rotation, then head to sky, seas, and earth training grounds; GiT GuD. Finally, one must practice your mechanics for any fight, read or watch guides for what every they suit your learning style. If you want more personal Feedback you can always DPS your self by hand.

Now if you can get 8 people together and do it that way, you have a static. FYI