Someone realizing halfway through their bad idea that most classes have three specs for a reason and just started slamming names together.
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Used to be the best place to look was the EU trademark listing. Blizz has, since the MoP fiasco, taken to registering trademarks in countries without an online database. Because if you already hold the trademark somewhere else you get priority when transfering that trademark to new regions, so even if someone swooped in day before Blizzcon to trademark it, Blizzard would still get the trademark.