Yea, in his walk through Aaron mis-quoted Mithala as saying Naija was the thirteenth, where he actually said that Naija was the daughter of the thirteenth, so Aaron got that last face wrong too. Or he was purposely giving dis-information so as to not spoil the ending and epilogue.
Now a related question: in the epilogue we see Lucien getting the story from the blue crystal and flying off, but we also see a woman sleeping, obviously not Naija, shes taller and thinner. Who's that? Did Naija and Li have two offspring?