Locust Hoard

The locust hoard originates underground, where they live in hives. They have a caste system, although this can change, as some Locust are taken from the hollows and are trained to become fearsome warriors. It is unknown why the Locust wage war on the humans, but they started their assault on humanity on what's known as E-day (emergence day). Their weaponry is fairly advanced and their numbers are limitless.