Want to learn the game more in depth. If any high elo players willing to take the time to show me the ways i would appreciate it. I have decayed from S1 this season to S4. So enough is enough , i want to learn how to carry and play smarter. add me ign: o Shockwave
Not that I'm that good of a player to be saying anything [currently Gold Four, I dropped down from Gold two 
] but I personally believe the best way to gain 'Elo' would be to use hard carries that can just burst the enemy team and really just snowball. Champions like 
have potential to set up really great teamfights and they don't really fall off to much.
In terms of mechanics and player decisions, those come with time. The more you play the better you'll be at the game. Watching competitive play also helps with mechnics in my opinion.
I hope my words of insight will guide you out of Silver :)
~FantasticOrange
