Complex sentence: Also, Bleck used Nastatia's hypnotizing powers to steal Bowser's army, and has a castle in the center of the dark void made by the Dark Prognosticus and the Chaos Heart called "Castle Bleck".
Split into simpler sentences: Also, Bleck used Nastatia's hypnotizing powers to steal Bowser's army. Count Bleck has a castle in the center of the dark void made by the Dark Prognosticus and the Chaos Heart called "Castle Bleck".