@Macamar they're basically genderless though. And by appearence and personality i think ifrit can be considered as a woman while trowell and el as a man. As for the white one, idk
Meh, if it was me, i would let greed to choke her to death. She's manipulative, leaving her alive would endanger Eliana's life. She's dumb, someone might use her, offering her power and else.