They're mismarked. one is from Primordious, LFR or Normal, and one is Heroic mode only.Edit: It was that, now Living Fluid (new name for it) is LFR only, Viscous Horror is Normal or Heroic.
i used http://tikari.net/tricks/2013/01/25/karazhan-chess-event-a-soloing-guide/ and it seemed to be pretty easy
Ok... I need help. I have been noticing stuff like "Breed: #9 H/S" or "Breed: #3 B/B" on their descriptions... what the heck... does the H/S or B/B or others stand for? I know that once you kind folks inform me I am going to feel like an idiot cause I either 1) overlooked it in patch notes or 2) am just plain dumb (number 1 being the most likely) so.... please be gentle and help a stoned... I mean, 'tired' person out.