Best Deviations in Once Human

Best Combat Deviations

Combat deviations fight alongside you. The right one makes hard content feel easy. The wrong one just gets in the way.

Festering Gel

Festering Gel (common) is the first deviation most experienced players grab every season. It creates a fortification that blocks damage and provides HP recovery and sanity restoration. Common rarity means it's easy to find early, and it stays relevant through endgame. If you only run one combat deviation, make it this one.

Lonewolf's Whisper

Lonewolf's Whisper (rare) is the top offensive combat deviation. It draws enemy aggro away from you and deals strong damage on its own. Synergizes well with Shrapnel builds and any playstyle where you want enemies looking the other way while you line up shots.

Polar Jelly

Polar Jelly (rare) brings AoE Slowdown and Telekinetic Effects. Best-in-slot for frost builds — the slow keeps enemies in your damage zone longer. Pairs well with the Shelterer Set or any elemental build.

Dr. Teddy

Dr. Teddy (rare) is the healer. Healing Share keeps your squad alive, and it can revive downed teammates — the only deviation that does this. In co-op content, Dr. Teddy is often the difference between a clear and a wipe. The catch: it's rare, and drop sources have varied between seasons. Expect to grind for it.

Honorable Mentions

Shattered Maiden (common) — Petrifying Gaze freezes enemies. Simple, effective crowd control that's easy to obtain. Mini Wonder (epic) — absorbs incoming bullets, making it a strong defensive pick against ranged enemies specifically. Zeno-Purifier (epic) — Melee Amplifier + Battle Partner, the go-to if you're running a melee build.

Best Territory Deviations

Territory deviations work in your base. The right lineup saves hours of manual grinding every day.

Electric Eel

Electric Eel (common) boosts the power limit of your generators based on its energy level. Power is the constraint on everything in your territory — furnaces, workbenches, lighting, defenses. Electric Eel effectively expands what your base can do. It's common rarity and available early. Get it first.

Rebecca

Rebecca (epic) summons Mitsuko to play piano, boosting all other deviations' energy recovery speed. She's a multiplier — every other territory deviation works more efficiently with her around. The catch: she drops from LEA Research Lab (endgame dungeon), so she's a goal, not a starting pick.

The Digby Boy & Logging Beaver

The Digby Boy (common) mines ore automatically — iron, copper, tungsten, whatever your zone has. Logging Beaver (rare) handles wood collection. These two cover the core material loop. Higher deviant energy means faster gathering. Set them up early and your stockpile builds while you're out exploring.

Growshroom, Rain Man & Buzzy Bee

The farming trio. Growshroom (rare) auto-plants seeds and speeds up crop growth. Rain Man (rare) boosts crop vitality and handles watering. Buzzy Bee (common) increases crop mutation chance, which is how you get higher-quality ingredients. Run all three and your farm is essentially autonomous.

Chefosaurus Rex & Flame Essence

Chefosaurus Rex (epic) increases cooking proficiency — your meals come out better with higher stat bonuses. Flame Essence (common) boosts furnace and Electric Furnace production speed by 25-30%. Smelting is often the bottleneck in crafting chains, so Flame Essence directly speeds up your progression.

Nutcracker

Nutcracker (rare) is the territory guard. It roams your base and attacks incoming enemies during purification waves. If you play on PvP servers or just want automated base defense, Nutcracker is the standard pick.

Best Crafting Deviations

Crafting deviations give you whims (passive abilities), tactical items, or formulas. They're quality-of-life picks that make everything smoother.

Top Picks

Space Turner (rare) — produces Spatial Keystones used to craft Space Twisters, which let teammates teleport to your location without spending Energy Links. One of the most useful deviations in the game for co-op. You get it through a quest at Dayton Hospital, so it's accessible.

Pup Buddy (rare) — produces Small Balloons used to craft Featherweight Potions (+50 carry weight for 2 hours). A logistics game-changer for loot runs. Note: availability may vary by server type.

Atomic Lighter (rare) — Tactical Item: Uncontrollable Fusion Lighter. Random damage instances, but grants extra loot on kills. Good for farming runs where you want more drops per clear.

Harveseed (rare) — Whim: Chloro-armor. When your HP gets low, you get a burst of vitality. A safety net that triggers automatically. Pairs well with aggressive builds.

Building Your Deviation Roster

You don't need every deviation. Here's a practical progression:

Early game: Festering Gel (combat, common), Electric Eel (power, common), The Digby Boy (mining, common), Flame Essence (smelting, common). All common rarity, all findable in the first few hours.

Mid game: Add Lonewolf's Whisper or Polar Jelly (combat, rare), Logging Beaver (wood, rare), Growshroom + Rain Man (farming, rare), Nutcracker (defense, rare).

Endgame: Rebecca (energy recovery, epic), Chefosaurus Rex (cooking, epic), and whatever combat epic fits your build. Swap combat deviations based on what content you're running.

All deviation stats and abilities are on the deviations index.