Quest: 8743 - Bang a Gong! (AQ chain final)

[Mige5]

So i just did all the quests to obtain the scepter of the shifting sands, but im not getting the option to pick this quest to finish the chain and open AQ.
https://www.wowhead.com/classic/quest=8743/bang-a-gong

[Mige5]

still kind of stuck here and not sure what to do to get the gates open.