All Bosses Locations

Bosses are notable Stardust-afflicted aberrants you will face in Once Human. Read on for a list of all bosses and elite enemies, including their location, weaknesses, tips to beat them, and the rewards you can get after defeating them!

List of All Bosses

Monolith Bosses

Lv.	Boss	Overview
10	Ravenous Hunter	Location: Monolith of Greed Weaknesses: ・Slime Head Rewards: Melee Amplifier, Munitions Amplifier, Weapon Mod Parts, Stardust Source, Electronic Part Notable Tips: ・Focus on the Gatling Gun lodged in its arm first ・Destroy the Eggs it spawns ・Camp near indestructible walls to safely remove the shadows
20	Treant	Location: Gaia Cliff Monolith Weaknesses: ・Woman Body Rewards: Melee Amplifier, Munitions Amplifier, Weapon Mod Parts, Stardust Source, Electronic Part Notable Tips: ・Exterminate the extra enemies first ・Position yourself where you can see the humanoid before destroying the vines ・Hiding behind cover mitigates almost all the Treant's attacks
30	Arachsiam	Location: Mirage Monolith Weaknesses: ・Pus-riddled Abdomen ・Head Rewards: Energy Link, Gear Mod x2, Weapon Mod Parts, Stardust Source, Electronic Part Notable Tips: ・Use Tactical Drone to increase visibility in smoke ・Focus on the little spiders for safety ・Use Fortress Warfare to avoid Poison Fog damage
40	Shadow Hound	Location: Monolith of Thirst Weaknesses: ・Head ・Shoulders Rewards: Energy Link, Gear Mod x2, Weapon Mod Parts, Stardust Source, Electronic Part Notable Tips: ・Kill the lesser dogs first ・Position far away so Rabizex uses easy-to-avoid attacks

Elite Enemies

Boss	Overview
Agent	Location: Monolith of Greed Weaknesses: ・Head Rewards: Acid
Arbiter	Location: Hearst Industries Weaknesses: ・Back Rewards: Energy Link, Stardust Source, Acid, Eclipse Cortex Lv. 2
Burrower	Location: Eastern Railway Junction Weaknesses: TBD Rewards: Acid
Chagas Weevil	Location: Rotten Saddle Weaknesses: ・Abdomen sac Rewards: Energy Link, Stardust Source, Acid, Eclipse Cortex Lv. 1
Ede	Location: High Banks Weaknesses: ・Balloons Rewards: Energy Link, Stardust Source, Acid, Eclipse Cortex Lv. 1 Notable Tips: ・Attack the balloons that light up
Ghoul	Location: Hearst Industries Weaknesses: TBD Rewards: Acid
Glutton	Location: Overlook Town Weaknesses: ・Legs ・Head Rewards: Energy Link, Acid, Eclipse Cortex Lv. 1 Notable Tips: ・Focus attacking the leg sores ・Attack the inside of the head when it falls to the ground
Gnawer	Location: Overlook Town Weaknesses: ・Head Rewards: Acid
Mayhem	Location: TBD Weaknesses: TBD Rewards: TBD
Mirror Girl	Location: Refinery Pollution Point Weaknesses: ・Woman body Rewards: Acid Notable Tips: ・Focus shooting the body behind the mirror ・Avoid shooting the mirror as the bullets get deflected directly at you
Mother of Life	Location: Greenlake Hill Weaknesses: ・Head Rewards: TBD
Rainfall Reaper	Location: Sutherland Chemical Plant Weaknesses: ・Umbrella Rewards: Energy Link, Stardust Source, Acid, Eclipse Cortex Lv. 1 Notable Tips: ・Attack the top of the umbrella
Rosetta Bruiser	Location: Junkyard Weaknesses: TBD Rewards: Energy Link, Gunpowder, Eclipse Cortex Lv. 2 Notable Tips: ・Use throwable items such as grenades or molotovs to deal damage behind the shield
Rosetta Heavy	Location: Gaia Research Center Ruins Weaknesses: ・Head Rewards: Energy Link, Weapon Mod Parts, Rosetta V2 Access Card, Gunpowder, Eclipse Cortex Lv. 1
Rosetta Mechanic	Location: Junkyard Weaknesses: ・Head Rewards: Energy Link, Rosetta V2 Access Card, Gunpowder, Eclipse Cortex Lv. 2 Notable Tips: ・Shoot the drone on the back
Rosetta Sniper	Location: Gaia Research Center Ruins Weaknesses: ・Head Rewards: Acid
Sinner Sentry	Location: Holt Town Weaknesses: ・Traffic lights Rewards: Energy Link, Stardust Source, Acid, Eclipse Cortex Lv. 1 Notable Tips: ・Shoot the traffic lights ・Fight from a distance
Star Walker	Location: Rotten Saddle Weaknesses: TBD Rewards: Acid
The Butchers	Location: Greenlake Hill Weaknesses: ・Head ・Back Rewards: Energy Link, Acid, Eclipse Cortex Lv. 1
The Scorcher	Location: Eastern Railway Junction Weaknesses: ・Head Rewards: Acid
Watcher	Location: Brookham Weaknesses: ・Head Rewards: Acid Notable Tips: ・Shoot the light in the head
Weather Forecast	Location: Blackfell Fallen Zone Weaknesses: ・Lit Television Head Rewards: Energy Link, Artisan's Touch, Acid, Eclipse Cortex Lv. 1 Notable Tips: ・Focus attacking the lit television head ・Move around the area to avoid it attacks

General Boss Tips

Boss Tips
Follow the Recommended Amount of Players Stock Up on Consumables Bring the Appropriate Deviant Organize Your Loadout

Follow the Recommended Amount of Players

Depending on the difficulty of the boss, there is a specific number of players that the game recommends to join. In most cases, it is wise to follow the game's advice since some bosses can be brutal without proper preparation!

Stock Up on Consumables

Consumables are crucial not only for your survival with healing but also allow you to stack buffs so you can deal more damage to bosses!

Bring the Appropriate Deviant

Each unique Deviant serves a different purpose, some designed better for combat! Look to bring a Deviant that aids you at specific phases of a boss.
Deviants Guide: All Deviant Locations

Organize Your Loadout

While your current build could be strong, some loadouts are better for specific bosses you face. For example, the Ravenous Hunter uses linear attacks with its Gatling Gun, so it is best to snipe it out while using obstacles as cover!

Bosses Explained

Stardust-Afflicted Aberrants

The bosses you face in Once Human are beings massively corrupted by Stardust energy. You will encounter them while exploring, during quests, and in Monoliths. Some notable ones are considered as Great Ones, which hold control over an area of the game!

Once Human Related Guides

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