Kornalus

 is a Altmer mage. He lives and works in Harmugstahl. He conducts experiments on Frostbite Spiders, enchanting them so the spiders can do frost, shock and fire damage.

Kornalus is a combat mage and uses fire/frost/shock spells. During the fight, he fights alone. The spiders in the last room are sealed behind bars.

He drops Kornalus Frey's Key.

Appearances

 * The Elder Scrolls V: Skyrim