Sytry remains at the academy to try and convince William to choose him over Dantalion.  Fed up with the situation, William orders Dantalion to leave and never come back.  Will he regret his decision when the academy is besieged with ghosts that very night?
and therefore have the right to command
the Great Duke Dantalion as I see fit,
e por isso puder controlar o
 Grande Duque Dantalion como quiser,