You must have completed the first and second quest in this series to do this one. Find Zalil Nyvin in the Plane of Knowledge located at +695 ,+815

You say 'Hail Zalil Nyvin'

Zalil Nyvin says 'How do you do? So you think you're skilled in the art of magic, do you? Pay close attention for this course I have for you will test your magical prowess like none before. In order to continue my work I will need for you to bring back a few things for me. When you can locate a Tornado Gem, a Battle Worn Trinket, and a Blue Diamond, return and hand them to me along with your Intermediate Magic Manual. If you can do this, then perhaps maybe there is a shred of hope left for you after all! Be off now and good luck!'

The Blue Diamonds can be bought in the bazaar. They drop off numerous creatures all over norrath.

The Tornado Gem drops in the Bastion of Thunder off of:
A Vind Geistlig (Level: 62)
A Vind Militis (Level: 62)
A Vind Vill (Level: 61)

A Battle Worn Trinket drops in Drunder, Fortress of Zek off of:
A Diaku Death Knight (Levels: 63 - 64)
A Diaku Oracle (Level: 63)
A Diaku Scout (Levels: 60 - 62)
A Diaku Warrior (Levels: 62 - 63)
A War Boar (Level: 64)
An Enraged War Boar (Level: 63)
Diaku Armsman (Levels: 63 - 64)
Diaku Guardian (Level: 60)
Diaku Sentry (Level: 60)

Once you have obtained the 3 items return to Zalil Nyvin and give them to him with your intermediate manual.

Give Zalil Nyvin Intermediate Magic Manual, A Battle Worn Trinket, Tornado Gem, Blue Diamond.

You receive Advanced Magic Manual !