Simplify the following text for a Grade 8 native English-speaking person.
Original: The Dalek Emperor returned at the end of the 2005 series , having rebuilt the Dalek race with human subjects ; it saw itself as a god , and the new Daleks were shown worshipping it .
Simplified: A Dalek Emperor returned at the end of the 2005 series , having rebuilt the Dalek race with genetic material harvested with human subjects . It saw itself as a god , and the new Daleks were shown worshipping it .