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Icecrown is x7 and has all of the wrath content avaliable.
Lordaeron is x1 and content there is slowly released over time like in retail.

Were they removed for some reason?

Where can i get gear? Should i just do BGs until i have enough honor to buy some epics? At what point should i start doing arenas? How to even do them?

Lucky bastards, my game just crashes 90% of the time when i go into Dalaran.