That's not the only instance NYI in Feralas. There's also this huge complex I can only assume is the home of giants in the central part of the zone, north of the road.
I never was able to survive those darn dragons and find out what was actually in the NE corner of the NW part of the zone. I just assumed that would be raid content up there, since I couldn't even reach it by myself.
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Only the exceptions can be exceptional.