Something similar. Make it impossible to outgear by scaling the gear down is what I would suggest. No nerfs whatsoever of course. Step up or go home :P
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What examples do you need? Back in the day (not just WoW), it was impossible to even think to ask developers of a game to nerf it. Noone even considered it. Hard games were just that, hard games. Few beat them on hardest, few more on a bit lower difficulty, most on normal, everyone on easy etc. Nowadays it's just whining about anything really, until I, the average Joe, who is not hardcore with the game, get to beat the hardcore mode. Because I bought the game and I HAZ TO BEATS IT AND BRAG ABOUT HOW GOOD I AM. LOOK GUYS HOW GOOD I AM! I GOTS THE ACHIEVEMENT! THEY HAD TO GO THROUGH 5 DIFFERENT NERFING PROCESSES AND GIEV MEH LOTSA MOAR ILVLS, BUT I GOTS IT IN THA END! Thug life, I r pro.