people who think riven is "op" fail to realize that she suffers from having very bad itemization and a horrid lategame unless she snowballs.
no **** riven is going to be good mid-game if you let her freefarm. that's what she does. it's like complaining that vayne kicked your face in at late-game or tryndamere is 1v5ing you after he has six items. you adapt your playstyle to the enemy team.
she just happens to be a melee who, you know, can actually compete with ranged dps. so obviously they've gotta nerf her. just like with pantheon.
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maybe, lol