You as survivor from old city, try to across Hollow to reach New Eridu, across many abandoned city and building to save yourself from Ethereals. But at you want be try to reach exist way of Hollow, you seen a massive huge symbiotic Ethereal in the skies like search something with its Hornets, you be hide yourself on block and see if that's had feminine shape on your eyes. Many soldiers be run as see it, call it as 'Niniveh' as it be fight against human on there.