Like the Mad King, Cersei is quite paranoid, seeing enemies everywhere and seeking to destroy them before they destroy her. A lot of her paranoia stems from a prophecy she received as a young girl ...
Sure, the way Olenna died was coincidental, considering Cersei didn't know Olenna was the one who poisoned Joffrey (and she also didn't want to use poison against her). But it worked. For now, Cersei ...
Cersei Lannister is arguably the most terrifying woman to ever be on TV. Literally, ever. But no one can deny she is cutthroat in the most watchable, addicting way possible. Low-key, that crazy bitch ...