Return to any of the Masters to complete the quest.
Any of the Morag Tong Masters at the guildhalls will give the Nerevarine a writ for Mavon Drenim, who can be found in the Telvanni Canton of Vivec.
Mavon is the ranking Telvanni noble in Vivec, and can be found in the tower of the Telvanni Canton and is a powerful spellcaster who will attack the Nerevarine as soon as entering, along with the two other mages in the bedroom.
Return to a Morag Tong Master and receive the payment of 1000 gold.
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