Also return to heroes that you hated early on once you get more comfortable with the game. I hated Valla when I first started because I didn't know how to play her, but after I got a little more experience with the flow of a game, I am really enjoying her. I play a lot of solo queue and sure people complain about not playing with friends, but when you find the role/heroes that work for you soloing can be great. Nothing beats making that play that turns around the game or just jelling with...

It comes to play-style. I've loved abathurs on my team (those that are active and body soak) and hated others (those that just sit in spawn). Same for Novas. If people actually use the strengths of a hero any hero can be great, the problem only comes when people try to play a hero in a way that just doesn't work for the hero. Nova is not Valla and can't be played like that, but she can scout and pick off people and focus down some important targets from the edges of fights. It comes down to...