Must be at least level 65 and able to speak Draconic Language.
Speak with Arbiter Selek on the lower southwest area of the isle Halls of Fate at 229, -846, 331 . The Arbiter will send you to get a tome from "The Vaults of El'Arad"
Examine the book on a desk at the north end of the room Korgo the Vault Keeper is in. ( 170, 57, -33 ) When you have the book, you need to kill Korgo. Return to Arbiter Selek to complete the quest once this is done.
This opens up the next quest in the series "High Crimes"
The proper name of this page, By Land? By Air? By Sea?, contains a question mark which gives the wiki trouble. Therefore the Wikibase title has had the question mark removed.