Count Volfburn

Count Volfburn is the boss of the Sanguis dimension which can be accessed from portals in Abandoned Towns after all five Vampires have been killed

Location
Volfburn can be found in Volfburn's Castle in the Sanguis dimension the only way in is by tunneling underneath, the castle is filled with Vampire Slaves.

Attacks
Volfburn has a few unique attacks

Mega-Drain
This has the same effect as the Drain attack on normal Vampires except the drain is twice as fast. Volfburn turns into a bat, lands on your head and begins to drain your health, this attack can be stopped by standing in patches of candles

Flame Strike
Volfburn swings his sword at you, if you are hit you get set on fire for three seconds

Call of ropalo
Volfburn summons three Vampire bats to help kill you, they do not have to be killed to finish the fight

Vampiric Minions
Volfburn summons four Vampire Slaves to help kill you, they have to be killed otherwise he is invulnerable