Here's a new definition for "hard core." I stopped playing before the pandas hit, but apparently they are neutral until level 10, when they have to choose Horde or Alliance. Unless, that is, you stay in the starting area and do nothing but pick herbs and mine, the s-l-o-w-e-s-t way to level any character. Heck, I think I quit before you could earn XP from professions. He started in September 2012 and took 173.5 game days to make it to 90. Skip to about 32:25 of this video to see the magic moment.