User blog comment:Makbloo/Grolk Kar, The Great Wyrm, Kog'Maw's Daddy/@comment-24.190.81.23-20120614033146/@comment-210.6.166.17-20120614115427

the cap and value per creep kill is simply too high, pro gamers will easily have an average cs of around 300 which means 90 armor and mr. this will make Grolk Kar really tanky without too much item investments and as Grolk is already naturally surviaable (with escape and long range), enemy team will have a hard time killing him even if he goes glass cannon. It will probably make more sense to cap the passive at 75 armor and mr, while each cs gives 0.5 armor+mr, each assist gives 2.5 and each kill gives 5. In fact, you might want to remake him to make him either pure ranged or pure melee (passive, e and ult suggests going into the heat of a teamfight while q,e and autoattack makes him more of a long ranged champion like kog maw)