Hey everyone, i just joined the community today ( with great joyce i must say).
First of all, sorry for my english, it's not perfect.
Being a beginner (AKA noob :P) i can't say much about this aurgument, cause i only tryed 3 champions, so take it lightly. As i could see btw, there are big differences between heroes, as it should be (a lot like DotA, wich i've been playing from years) and generally you can't talk about OP. There are Herokillers that can be very powerful with the right items, and the right team, and it's nonsense to try 1vs1 against them. The point is, it's normal that some heroes are better at herokilling than others, it's theyr role. It should change the way you approach them. =)
Best regards, gl hf.