Justice

Justice is the boss of Area 3. Rather than using any bullet based attacks, Justice uses various laser beam attacks as well as summoning laser fenceposts, Capture balls, and Helo drones.

Regardless of his current phase, Justice maintains a lightning field around him which appears and rapidly damages the player if they step too close. Use of this field is completely passive and does not interrupt his movement or attacks.

While Justice is playing his animations that transition between phases, he is completely invulnerable, but his lightning field is also disabled, allowing players to walk through him unharmed if desired (to pick up weapon energy and the battery, for example).

The fight consists of 3 phases. Each phase is worth a base score of 80,000 points, which can increase up to 120,000 points if a phase is dealt with rapidly.

Backstory
Information about this boss's background goes here.

Phase One: Defence
"Initiating Containment Protocol."

The phase begins with Justice slowly charging a laser at the player with an audio and visual cue. After the laser first fires, this process repeats but with a shorter charge up time on the laser bursts. If at any point Justice has to turn his body to face you, he will skip firing the remaining shots.

Then, Justice releases several maser fenceposts which form a grid of maser beams around the boss arena. These lasers deal blue damage and thus cannot damage the boss. Destroying these fenceposts causes a Powerup to drop as well as some weapon energy. You can even bait Justice into destroying them himself with his laser.

After firing his laser a few times, he proceeds to release capture orbs which will attempt to snare and drag the player through the grid, causing a knock down if the player is brought in contact with the beams. With enough damage the phase will end, disabling the grid and capture orbs. He will then alternate between use of the lasers and deploying more capture balls. He will not attempt to replenish any fenceposts you destroy. During this phase, Justice has heavy armour plates mounted to his front legs (as seen in the picture above) which absorb damage if hit. His exposed head and the rest of his body are vulnerable, however. If you aren't very close to him, he will also walk slowly towards you inbetween his attacks.

Ending the phase will immediately destroy any remaining fenceposts and capture balls in play, dropping no powerups or weapon energy.

Phase Two: Mobility
"Armour compromised, activating support units."

Justice deploys two Helo units at the start of the phase which move in straight lines and will bounce off of walls, each other and Justice himself. These Helos cannot be damaged and act independently of the attack pattern described below. Hitting Justice with a Shutdown will also briefly disable the Helo units.

Justice stands up and discards his two shields immediately lines up a dash towards the player in order to hit them with his lightning field. He moves rapidly enough that weapon switching at the right time will allow him to pass by relatively unscathed.

After reaching the edge of the arena, he will turn to face the middle and start strafing clockwise around the edge of the arena deploying missiles from his shell. Each missile has only a small amount of HP and is a very large target, but will knock you down instantly if one hits you. Destroying these missiles will reset the chain timer and also drop some weapon energy. Justice will launch missiles more rapidly for each extra player fighting him.

After completing this movement, Justice will stomp the ground, releasing a shutdown wave which will slow you down if it hits you (You can Weapon Switch to dodge it) before performing the dash as per the start of this phase and looping the entire attack pattern again.

Ending the phase will immediately destroy any remaining missiles Justice has deployed.

Phase Three: Offence
"Unexpected resistance encountered; deploying additional units."

Justice increases the number of Helos present to 3 and stands up. Throughout this phase laser fenceposts will drop one at a time indefinitely and continue to spawn powerups and weapon energy when destroyed. Dodging his laser is just a matter of not staying still and not getting trapped by the fenceposts he deploys.

To start the phase, Justice will simply fire his red laser at you much like the first phase, with the exception that he is now aiming downwards, making the beam not cross the whole level like it once did. If you aren't close to Justice he will walk towards you.

"Laser output insufficient, switching hardware."

Once you have dealt one third of Justice's remaining health he will rip his own head off and throw it at you (Typically going completely over the top of you). The head will continue to roll around and acts like a Super Mine worth 2,000 base points.

Justice's new head will spawn and will constantly sweep a red laser on the floor, trying to lead your movements. The laser itself does no damage, but the flame that follows from the floor afterwards will down you instantly. Walking in a straight line or standing still will guarantee that the laser will get you.

"Damage level exceeded! Venting Fusion Reactor."

After being reduced to a third of his hp, Justice will rip of his head and throw it like last time. Now Justice will not move at all, and slowly turn towards one player and unleash an enormous red laser beam. The beam itself is easy to avoid by circling around, but be wary of Helo units, Justice's heads and Laser fenceposts you might be forced to run into as you do so. Once Justice has fired the beam, he will wait a few seconds and then fire it again.

While turning, Justice will turn rapidly if he isn't facing the target player but slow down his turning speed as he gets more lined up with his target.

In multiplayer, Justice will select one player to rotate towards each time he attacks. Justice will only switch to targeting another player if the player he is currently targeting is downed, which can lead to a surprising change in rotation.

"Critical damage... Systems inoperable..."

Trivia

 * Justice is voiced by Sycle, one of the developers of the game.