Here unleash a chilling cry And gild this stand with frost. Pick up the book again and you will notice that it has acquired a new page: Under Greybeards' morning shadow At this northern watch, long lost Nirn's hoary Throat does scrape the sky. Once you have done so, cast any fire spell at either the book or pedestal.
Inside the barrow is a pedestal upon which you can place the book. This clue points to Windward Ruins, a small barrow just southwest of Dawnstar. At this stand wield mage's craft So fierce the sea will boil. The incomplete book contains only a clue in the form of a poem: Northward, haunted northern coastline And south, Dwemer live and toil, A simple place, a shield from draft. Selecting this option will result in Faralda giving you the book Power of the Elements. Once your Destruction skill reaches 100, a new conversation option opens up with Faralda, the Destruction trainer at the College of Winterhold ('What else is there to be learned about Destruction magic?').
Learn the spell contained within the book.Visit Four Skull Lookout, same as before, but casting a shock spell.Visit North Skybound Watch, same as before, but casting a frost spell.Visit Windward Ruins, activate the pedestal and cast a fire spell on it.Talk to Faralda, who will give you a book.Uncover the secrets of the Power of the Elements