Complex sentence: She is the third artificial life form created from a result of the gods'and devils' experimentations from which she escaped to visit the human world in order to search for Rin because Lycoris had told her about him.
Split into simpler sentences: She is the third artificial life form created from a result of the gods'and devils' experiments. She escaped the facility and came to the human world in order to search for Rin because Lycoris had told her about him.