The Kyra character have received mixed feedback from critics , and have been defined by her sex appeal and called " overtly sexual , coy and kitteny " , and " tasty " . Critics have positively and negatively compared the role to Carpenter 's previous performance as Cordelia Chase on the supernatural dramas Buffy the Vampire Slayer ( 1997 ) and Angel ( 1999 ) ; Demian of Television Without Pity criticized the character as a copy of Chase because of her lack of a unique identity .