Did nexon set a trap to ban players?

Did Nexon put an unkillable boss into their game in order to trap the players using cheats?

Apparently the Maple Story boss Hard Magnus was impossible to kill for regular players, in order to beat the boss and gain it’s highly prized loot you would be forced to use cheats. GM’s would be able to sit invisible and watch for players who were obviously cheaters and then proceed to ban them.

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