Originally Posted by
Karlzone
I'll be imagining and ilvl of 530 for a DK. General reforging priority is hit/exp>haste>crit>>>>mastery unless the adds has a lot of adds.
Lich King shouldn't be an issue. Go full crit>haste and try to keep some adds up the entire fight for vengeance and Scent of Blood runic power.
Ultraxion is very easy. Doesn't even matter what the hell you do at that ilvl (possible at 490 or lower I'd imagine). Remember how AMS is very strong here.
Ragnaros you should be doing on normal mode because the drop chance is not different since MoP. At that ilvl you should be just fine and shouldn't face too many problems.
Deathwing on normal should be quite easy at that ilvl. Deathwing on heroic would be very painfull to do (waiting out enrage for what.. an hour?) and propbably impossible at that ilvl. Bring a friend if you want it hc; you need him for spine anyways.
Yogg25 0 lights SHOULD be possible, but the fight is so bugged and such a pain that I doubt it's worth it to waste time on him.