We've seen and heard a lot of discussion about the challenge presented by the Cataclysm Heroic dungeons, and to a lesser extent the raids. I'm not sure this is the kind of issue where we're going to be able to change anyone’s mind on the subject, but I can try to provide more insight into our point of view as well as offer some suggestions for success.
First, let me state that we do hear you. We understand some of you aren’t having fun and preferred the Lich King paradigm, or at least something closer to the Lich King paradigm. We greatly appreciate the feedback and it always makes us sad when players aren’t having fun. We're not ignoring you. We get it. We may not always agree on every point, but we understand where you’re coming from, and we want to try to help you understand where we're coming from.
The bottom line is that we want Heroics and raids to be challenging, and that is particularly true now while the content is new and characters are still collecting gear. They’re only going to get easier from here on out. We want players to approach an encounter, especially a Heroic encounter, as a puzzle to be solved. We want groups to communicate and strategize. And by extension, we want you to celebrate when you win instead of it being a foregone conclusion.
On the other hand, we don't want you to stumble your way to victory. We don't want you to be able to overwhelm bosses without noticing or caring what they’re doing. We don’t want healers to be able to make up for all of the mistakes on the part of the other players. While at the end of the day, dungeons may just be gussied up loot vending machines, we want you to do more than push a button to get the loot.
Ultimately, we don’t want to give undergeared or unorganized groups a near guaranteed chance of success, because then the content will feel absolutely trivial for players in appropriate gear who communicate, cooperate, and strategize.
We didn't like that the Heroic dungeons in Lich King and early Naxxramas had become zerg-fests. It made the rewards feel like they weren't earned. It made all rewards except the best-in-slot items feel transitory -- why enchant or gem an item when you don’t need the performance boost and you’ll quickly replace it anyway? Furthermore, it set the expectation that everyone would eventually earn all best-in-slot items rather than those being rare and treasured goals. It made class abilities feel less useful and interesting. Who needs that crowd-control or survivability talent when nothing is hurting you? Who needs a mana-conservation talent if you’re never going to run out of mana? Who needs a crit talent if your heals often overheal anyway?
Finally, the encounters, even the bosses, ended up having a sameness to them because you could ignore their mechanics. It didn't matter -- in fact, you didn't even notice -- if the dragon breathes or silences or drops a void zone. The fights all felt the same.
In Cataclysm, the Heroic dungeons and raids are intended to be challenging -- and they are, at least until you overgear them.
So what can you do if you find the Heroics too challenging? Here are a few tips and alternatives.
http://us.battle.net/wow/en/blog/2053469Strategy and Communication
Tanks, you can’t pull and AE every group in a Heroic (again, until you overgear the content). It’s a good idea to crowd control at least one target -- and sometimes two. As long as you have someone with a long-duration and/or renewable crowd control and someone else with a short crowd control such as a stun or even a snare, you should be fine. We don’t have anything like Heroic Shattered Halls, and you don’t need 3 mages for CC. Caster mobs, which are weak but do a lot of damage, are good choices for crowd control. So are mobs that buff other mobs or debuff your group. Don’t waste the CC on non-elite mobs or others that will die quickly. The responsibility for marking and setting the pace often falls upon the tank, but sometimes other experienced players are happy to take the mantle. If you are setting the pace, you need to keep an eye on healer mana. Healers will generally have enough mana to keep you alive in any given fight, but you need to be careful not to chain pull repeatedly if their mana is low. Tanks tend to have good situational awareness and are experienced at reducing incoming damage. Where I have personally seen them get into trouble is when they slip into overconfident “I got this” mode and try to tank too many things at once.
DPS specs often get blamed the most for not knowing what is going on. It should be your business to understand the mechanics of the fights. You’re a member of a team, not a follower who can always rely on someone else to tell them what to do. Which are the spells that need to be interrupted? Which are the void zones that you absolutely must get out of? Which are the adds that must be burned down (and conversely, when should you ignore the adds and focus on the boss instead)? If you aren’t sure, then ask. Almost every group would rather take the few seconds to explain a fight than to wipe because you failed to dodge Glubtok's wall of fire or tried to AE Vanessa’s spiders or didn't understand what "Downwind of Altairus" meant.
Healers seem like they largely understand that Heroics are challenging, and sometimes get penalized when the rest of the group doesn’t understand that. If you feel like you can’t cast anything but your efficient heal or you’ll run out of mana, then something is going wrong with the fight. Likewise, if you feel like you must spam your inefficient heals to the exclusion of all else, then your group is ignoring key mechanics or is just undergeared. Boss fights in 5-player dungeons generally shouldn’t last more than two minutes or so (the last few Deadmines bosses can be longer). If you’re running out of mana because the fights are going too long, that is a problem with the DPS or tank in your group. Gear also makes a huge difference for healers, which leads to my next point.
For everyone, regardless of role, I suggest running the dungeons on normal mode until you feel more comfortable with the pulls. Those runs can be quick, the penalty for mistakes isn’t as high, and you can often still earn a little reputation, cloth, or enchanting materials. As a bonus, you’ll probably make a group really happy if you’re geared for Heroics but helping them out in a normal dungeon.