Hi, um the truth is its not on the character its on your def , mages are tough but with low defence , fighters are tough but they dont range hit , so neither way if your a mage u can defence good cuz while your target is coming towards you can attack him and he maybe dies , if your a fighter you go to your target and hit him a few hits he dies , so a mage and fighter are the same toughness , in the end the choice is yours if you like long range hits or short range hits , you can even make a mage and max lv him then work on a fighter and max lv him which may take times depends on if your a slow or fast leveler and it may be better if your confused on making fighter or mage , i prefer both.
Hope i helped
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