What rank do you all think I should be before i start selling a smurfing service? Im s9 Plat 3 and currently in gold 1 (diamond elo)

I need a new game to play. I am tired of playing the same ranked game modes on the most common games. I need a single player game, preferably 2D

Where do i have to go if i'd want to sell skins for real life currency :thinking:

What Character should i start abusing to climb? Im Plat 3