gnar is terribly designed, absolute cancer and broken. nothing new.
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Tbh he got nerfed a lot since release.
Release Gnar was like.. They took everything that was wrong and toxic in toplane and made it a champion, Gnar :D
still not enough. the very idea of his kit is stupid. resourceless ranged champions should never be made. those were morellos words. gnars weakness was supposed to be, that he cant control his transformation and is forced to put himself at risk and into melee range now and then.
only, that the steroids he gets from melee form are so ridiculous that he outduels and shits on everyone in the game. so he turned out to be a nasty shit as bad as teemo, who pokes you all day with infinite sustain. until you have to run away and stay far from creeps because otherwise hes going to destroy you in mega form. before he goes back to constant poking and kiting.