The Dullahan is the seventh major boss in Sonata of Blood.
The Dullahan starts out on his horse. He will ride around, swiping with his sword. His horse can breath cursed fire, and Dullahan himself can shoot poison acid. After his horse dies, Dullahan gains his shield. He can perform a sword dash, a purple wave, and he can toss cursed bricks at the player. After he loses his shield, he can put his head on. When this is done, he will shoot souls at the player and his sword gains lightning powers. He has 7875 HP. His theme is Followers of Darkness -The Third-.