Having trouble setting up your key binds? Have no fear, elpoetaenmiuq is hear to help. This guys has made a great video guide on how to setup your abilites effectively.
Keybinding things to keys on your keyboard instead of clicking them increases your ability to react to certain situations faster than manually moving your mouse to click on abilities. Some people don’t mind clicking and are faster that way others like myself it is easier to keybind your abilites.