Voracious, chitinous creatures that spawn from hives deep below the Earth’s surface, Scylla Formicida — or “hellbugs” as they’ve been labeled by human and Votan alike — were created from the terraforming processes that ravaged Earth. They are neither truly Votan nor terrestrial in origin, bearing characteristics from a variety of species across multiple planets.

Defiance 2050 Game Guide

Hellbugs are a new life form born of the terraforming after Arkfall. They are truly an indigenous species of the New Frontier.

— Defiance 2050 Pursuit: Hellbugs Research

Hellbugs are the unexpected evolution of a small predatory crustacean species from the planet Irath. They live in large collectives, usually within underground caverns in the terraformed frontier.

— Defiance 2050 Intel: Hellbugs

Hellbugs are soon encountered after entering the open world. They are common in most Activities and feature three distinct bosses at Major Arkfalls.

Archers

Flying bug with elonated body that shoots projectiles. The green (corrosive) variety will try to get close and suicide spraying the ark hunter.

Blast Pods

Stationary enemy that launches projectiles into the air that explode when hitting ark hunters or the ground.

Chrysalis

Not an active enemy these egg-shaped constructs hatch into other Hellbugs. Constructed by Skitterlings during Arkfalls.

Hellions

Boss of the Major Arkfall “Hellbug Uprising”, is tethered to its encasement and only appears after one of the arms is destroyed. To sever an arm ark hunters must destroy the Gland in the armpit. Spits damaging goo. Entire exposed body is a weakpoint.

Matrons

Boss of the Major Arkfall “Mother of all Hellbugs” and co-op map “Island of Lost Soldiers”, this large round Hellbug can stomp the ground launching close-by ark hunters into the air and back. Also emits skitterlings, can spray goo in an arc, and goes underground to escape attack. Though a weakpoint is present on its face during Arkfalls it isn’t susceptible during the co-op map.

Mature Hellions

Boss of the Major Arkfall “Revolting Hellbugs”, only appears after the Hellion Mouths of its encasement have all been killed. Spits goo and pounds the ground to damage ark hunters. Can be damaged anywhere but has large weakspot underneath.

Monarchs

Giant but fast-moving with a number of attack patterns including a swiping melee, curling up into a ball and rolling over ark hunters and launching goo in an arc. A number of actions will either expose the weakspot at its rear or leave it in a brief locked position.

Skitterlings

Basic small fast-moving Hellbug perhaps the most common enemy in the game. Does little damage but nano-effects can be a problem.

Warriors

Large squat bugs that move in close for melee attacks or draw up to launch a devastating blast capable of knocking ark hunters off their feet. Have weakspot on their behind. Will tunnel underground and then pop up attempting to damage an unsuspecting foe.

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