User blog comment:Degritone/Using Flash to Manipulate Ability Ranges and Hitboxes/@comment-3974211-20171012192251/@comment-3974211-20171026050546

It's primarily an expression of how good your connection is (keyboard, Internet, etc) and having the knowledge such an exploit is possible. Riot's tried and sometimes succeeded making latency allowances on champions before, but forced buffers can backfire.