Ekko is one of the worse designed champions in league. (not QQ thread)
Well. His kit works best on a bruiser/tank than an assassin. His 3 hit passive would be a lot better on an AS/tank champion. Especially since it is free CC. His W rewards you for a long fight because it is far harder to land when predicting. Not to mention a shield on a tank is far better than a shield on an assassin. His W passive is much better in sustained fights for more damage. The stun is much better on a tank because it gives him utility even when he is behind. His E is pretty fine. His R is another big issue. When he builds assassin it gives him an "oops i fucked up" button. Even then it's a lot better on a tank because 500 hp back in a fight with 50 armor and MR pales in comparison to 500 hp back in a fight and 250 armor and 100 MR.
Even if he is balanced numbers wise he is still going to naturally want to gravitate towards being a tank/bruiser. RIOT needs to rework his kit to make it fit the role of an assassin. Hopefully they pull that off in the assassin update coming this preseason.
EDIT:Why do i get the feeling people are downvoting this post and not reading it? If you think im wrong then go ahead and tell me why i'm wrong, im open to ideas. EDIT2: Should have made the title something like "ekko's kit does not fit the design of an assassin". whoops.
) but the real issues are his W passive and R.