Complex sentence: Rojack feels liberated by the violence and imagines himself receiving messages from the moon, perceiving voices that commend him to deny his guilt, to make the death appear as a suicide, and maintain his innocence no matter how hard the scrutiny or severe the consequences.
Split into simpler sentences: Rojack feels liberated by the violence and imagines himself receiving messages from the moon, perceiving voices that commend him to deny his guilt. He makes the death appear as a suicide, and maintains his innocence no matter how intense the scrutiny or severe the consequences.