I personally use 1100 dpi 0.34 sens but my friend uses 1200 dpi with 1.2 sens. They say im crazy for playing with such a low sens. What do you guys use?

It's annoying to play a full 30-45min game to gain barley any elo, and lose it in the next one to a person that has 900 ping and went afk after round 3. Can riot make it so if someone has overly high ping or something by round 1 it automati...