Blair is the main villain in Brotherhood. Much of the time, he vows to get revenge on Jason Steele due to a grudge set earlier in their life"s. He is chased throughout Brotherhood, and revives Dracula. However, if Dracula is defeated without damage, and if all the secret areas and Gems are accessed, the ending is modified. It shows Jason walking towards his wife, only to be interrupted by Blair's voice. Blair challenges him and is the eleventh boss.
Blair uses the Doppelganger's attacks, Dracula' s second form attacks, and Ignis's and Fulgur's attacks. He has 8000 HP.
Blair is defeated, and runs off again. With the last trace of Omega's DNA, he sacrifices himself to revive Omega. Omega, vowing revenge, is the true final boss.