You complete the keys to allow you to go do the challenge why not just combine all your posts about this into one so it doesn't clog up the forums with the same question about the same expansion
SMH Did you even read the Achievements? One says it grants access tp Arx Mentis apitarx and the other says the key unlocks the portal to the apitarx (thus, access).
Doesn't mean you couldn't have condensed them into one single post, addressing two different instances of the same issue. If you spent 5 more minutes, you would have also noticed that this is a common thing throughout many expansions when they added the "key" achievements, and only recently did they take them from one location and put them in their associated expansions. And, as per my other reply to your other thread on the exact same issue: The "key" achievements will now remove any key item from the game and track it in achievements, as well as on your key ring. (Not all key ring enabled keys are also achievements. E.G. Quintessence of Elements) Specifically, these are tied to in-game key items
