Complex sentence: While supported by the DBR Corporation and its own team of scientists, Curien's relentless pursuit of this goal slowly drove him insane, with his behavior growing more erratic and the nature of his experiments beginning to take a gruesome turn.
Split into simpler sentences: While supported by the DBR Corporation and its own team of scientists, Curien's relentless pursuit of this goal slowly drove him insane. His behavior becomes more erratic and his experiments beginning to take a gruesome turn.