Annabeth:My fatal flaw. That's what the Sirens showed me. My fatal flaw is hubris. Percy: the brown stuff they spread on veggie sandwiches? Annabeth:No, Seaweed Brain. That's HUMMUS. hubris is worse. Percy: what could be worse than hummus? Annabeth: Hubris means deadly pride, Percy. Thinking you can do things better than anyone else... Even the gods.