Traits all high elo players have
High elo players don't seem to praise themselves for getting each kill all the time.
After killing someone with ignite, they don't call themselves "god mechanics."
Most of them don't rage after jungle gets 2 kills.
Most of them are not immature 15 year old kids.
They don't play just high skill cap champions like zed and yasuo and vayne and riven that they don't even know how to play perfectly and they just know very basics or less because they just want to look cool and feed.
They don't use some "glorious" project skins and say they are great because they have all the skin.
Most don't even use skins in challenger level.