Krosis

Krosis is a named mob of skyrim. He is found at Shearpoint in company of a dragon. Krosis emerges from a crypt in front of a word wall once the player approaches and is within target distance. He has some sort of shield and carries a staff that shoots fireballs. He is immensely powerful, so lower level players beware. When killed, Krosis drops Bone Meal (1), Gold (2000), Krosis (20% bonus to Lockpicking, Archery, and Alchemy), and the Staff of Fireballs. Krosis is an extremly powerful dragon priest who can be considered far more dangerous then the dragon that you must slay simply to get to the word wall. His magical shield protects him from most physical harm, and he has the ability to float through the air and shot fireballs from his staff at the same time. Krosis strategy is to simply fly at range and kill you with continous blasts from his staff, while relying on his shield to make any physical assaults ineffective. Krosis is extremely dangerous, even on the lowest difficulties, and should be avoided until you've reached higher levels and are confident in your abilities.