From what I have been told the event is bugged and Cenarius dies due to the script just stopping. Until the event works correctly we won't know whether Cenarius dying is intended or not.

Unless it's another flashback to see Cenarius dying.

No this happens during the event when they are all banishing Ragnaros. It likely is just due to the script bugging out and no one on the good side will die.

*shiver*

A larger version of the same kind of monster was posted not too long ago. The ones in your link are likely little Merciless One spawn or something. Larvae if you will.

The Defias Brotherhood wouldn't accept that aid. Not that they are xenophobic (seeing as they actually have a few Horde races among them), but it is an organisation that arose out of the ruins of what the First War caused. Meaning, they are just as distrustful towards the Horde as an organisation as most other Humans are. The distrust they would have, especially against one such as Garrosh ("Garrosh smash, Garrosh crush puny Humans RAAARRRRRR"), is exactly what is different from the Grimtotem.

The Grimtotem, and in fact the Taurens in general, have no factional issues with the Alliance. The Taurens are fighting with the Orcs and other races because they made a promise. It is exactly that promise the Grimtotem is against. So they have a vested interest in seeking out the Alliance. The Defias Brotherhood has nothing comparable to that. In essence they are merely pissed off at the nobility (it is somewhat more murky now, but it is still the base issue).

It isn't a surprising event as such. Though I guess even Magatha had to overcome the feeling of treachery against her own race. But I suppose getting ejected from Thunder Bluff gave her no option any longer. Unable to guide the Tauren leadership in her direction, at all, and basically branded as traitors I see the reasoning from their point of view. Why support a system you not only object to, but one that is openly against you? They want to topple the Bloodhoof line, and most likely see themselves as freedom fighters. As most, if not all, insurgency forces have throughout time (again the Defias seem a little different, being more like a Triad style organisation).

Onyxia had already been using them as a front to disrupt human activities though. The low ranking members of the Brotherhood don't have to be kept in the know about the real goals and allegiance of the organisation.

Onyxia was Human for intents and purposes, the Defias Brotherhood and it's leaders had no idea she was a Black Dragon. Besides, she was also in a position to actually assist and use them, can't say Garrosh and crowd have a similar option.
It isn't as if the Horde leadership could just transform for the diplomacy part of the transactions. Also, as noted with the Grimtotem, the weapons would be a dead give away. The Defias leadership wouldn't go for it. Getting caught using Horde weapons would be a huge blow to them. Humans wouldn't join them any longer and the entire pupose of the Brotherhood would slowly die away.
I would actually think from the point of the Horde leadership it would be better to not help them, at least not directly. And if they can't help directly, it is extremely limited what they can't do otherwise.

The entire Grimtotem debacle might be something to show that the Horde is not as united as it appears sometimes (compared to the very factional Alliance), and also at the same time let the Alliance take the position as outright 'evil'. While I don't think it is an evil action, I'm sure it will spark a lot of anger, and righteous at it too (as so many says "get the WAR back in Warcraft", this is it). The Alliance has too long been weak at these cloak and dagger stabs, while the Horde has many times been able to take advantage of a weakness in the chain (killing people, sinking ships, burning stuff etc). But instead of a lot of small operations all over two continents, they get one huge bomb.

Meh. The Defias Brotherhood sprang out of a labour union (Masons, natch) who were upset at not being paid. Like all things political it snowballed and what we now know as The Defias Brotherhood holds little to no relationship to its origins. Now it's an anti-noble insurgency front that also dabbles in highwayman activities, blackmail, kidnapping, and other things considered less than legal or polite. Very much some sort of organized crime outfit, such as the Mafia, Triad, or Yakuza.

VanCleef's newspaper story would be "Labour leader driven too far - plots terrorist action" with details about both said terrorist action and his legitimate beefs against the government and how his group was done wrong. This would get some sympathy for his side, even amongst those involved in politics (probably from Jaina).

Edwin VanCleef's elevator may have stopped going to the top floor when he decided to attack Stormwind and make them capitulate (and pay up). I understand his daughter is now supposed to be in charge, and her goal is to revenge dear old Dad. Not get the money the masons are owed, but plain old murderous revenge at (nearly?) any cost.

Newspaper story "Daughter of terrorist plots against government" with details about her nefarious activities and about all the bad things her father did (none of his side of the story in this article).

Now it would be a funny turn of the plot if evidence were uncovered that Ony(Lady Prestor) single-handed denied payment to the Defias, then whispered in their ears and set up the whole gunship plot. Proof of this could be enough to turn the Defias against Neltharion and his family (except for those newer Defias who are just thugs and joined a thug organization for support of illegal activities). Not that I expect any such plot element to develop.

If there was a reason why getting the Defias to work against the Black Flight was important, they might just do it. Right now, they're a pretty weak organization whose biggest threats are a bunch of relatively mundane bruisers that we (as footsoldiers of the Alliance/Horde) liquidated at a very early stage of the game. If the Defias were the ones to uncover a Titan superweapon ahead of aaaaaalllll the other groups vying for those, they might become players in the game.

Looks like Shoggoth homage, it is. So much for Dagon, Shub-niggurath or Nyarlathotep. Maybe at 90 we'll get Nyar.

Shoggoth definitely lends to the amorphous style previously predicted from the slime pictures.

Until Cata comes out and I can increase my power to Level 85 I am going to quiver in my sabatons at the thought of <Kraken name here>.

Anyone think the "temp" line will become something in another language? Question being, which language?