Maya Visari, also known by her codename Echo, is the deuteragonist of "Killzone: Shadow Fall". She is a 24 year old Helghast half-breed sniper and intelligence operative of the New Helghan government and the daughter of Chancellor Hera Visari. Her right eye is red and her left eye is green. She is determined to prevent another war between the Helghans and the Vektans. Initially an adversary of Vektan soldier Lucas Kellan, she laterjoined forces with him when a bioweapon threatens the peace.