Speak with
Nostragon/Vladir

Speak with
Oraculum
Choose path: Fighting - Secret Brotherhood, Protecting - Ancient Mages.

Follow directions and take parchment

Come back to
Oraculum
Follow directions and take parchment

Come back to
Oraculum
Follow directions and take parchment

Come back to
Oraculum
Follow directions and take parchment

Come back to
Oraculum to finish the quest.