Molten Core WILL be after wod release, you WILL get LFR gear of wod's 1st tier
Molten Core WILL be after wod release, you WILL get LFR gear of wod's 1st tier
Extremely unlikely seeing that the raid is gonna be temporary.
In fact i wouldn't be surprised if no loot even drops and the only boss we fight is Raggy.
The whole point of this is just a huge nostalgia trip and not just another LFR loot pinata.
The bosses will probably not even drop loot just give out loot boxes of some kind.
The article that announced the event even has the headline "Gearing Up to Celebrate 10 Years of World of Warcraft". I know that to gear up can mean "to step it up" or something like that, but it's at least a double entendre.
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http://eu.battle.net/wow/en/forum/topic/5349035848
That was I think enough to enter Dragon Soul LFR and about what you got from the Caverns of Time heroic 5-mans.