I think you should watch your language before writing down anything (your grammar is horrible, but I meant your manners). If you write like this, nobody will consider you more than an angry kid, and you will be banned sooner or later. If you post in a suggestion forum, try to suggest something, and try to be polite to other people. You should also try out some heroes you consider broken, you can learn their tricks that way.
I am not an expert on this game, but according to the players I know:
The centurion is weak. If you watch for walls, he can't do anything.
The gladiator has a strong/broken zone, but his reflex guard makes him very hard to play if attacked, he is mostly for high tier players.
The highlander might be a bit too strong now, but most of them can be defeated easily if you watch their movement, only the good ones are really dangerous (he is for high tier players too).
The shaman is a bit too strong, but she is beatable. Most of them just spam their dodge attacks, counter them or dodge them, learn to dodge the bite on reaction, and that's it.
The shinobi is annoying, but overall weak. If you keep your patience and cool, and learn to parry light attacks, he falls easily.
The aramusha sucks. He lacks openers, potent defensive moves, damage, and has about three moves to counter.
The strongest heroes are probably the conqueror, the berserker and the kensei, neither of them is a dlc character.
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