Claim: Cersei Lannister is in a fictional series featuring fantastical elements.
Evidence: Cersei Lannister is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones , where she is portrayed by Lena Headey.
Most fantasy uses magic or other supernatural elements as a main plot element , theme , or setting.