The Magician's Tower

What is the easiest way to get max faction with Herald Druzzil of Ro

if you raid there it goes up fast... but id also like to know the best way to raise it without raiding, for my alts

Do the following missions:

Kill the Mindshear
Kill the Corporifers
Free My Mind
Find Telivar
You Pay the Price
Assist the Riftseekers
Kill the Shearspawn
Inside Information
Meeting Adjorned