That's the combo yep!
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Check to see if anyone else needs a lift from KC while you're there - often there's people wanting to go to City of Mist (zone off Emerald Jungle).
Also you'll need to find the steps up to Field of Bone as there's a big cliff in EJ - google "Emerald Jungle map" if you need to get a loc of the stairway. (west wall iirc)