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How to Get 5/5 Deviants in Once Human – Fusion Guide

Lucy Lauria
Lucy Lauria

2026-08-28 10:27:36

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If you're farming for the best Deviants in Once Human, you've probably seen players talking about 5/5 Deviants. But what does 5/5 actually mean, and how do you get one?

In simple terms, 5/5 means Skill Rating 5 + Activity Rating 5—the highest combination for a Deviant. A strong 5/5 Deviant can offer better performance while also recovering Mood and Deviant Power more efficiently, making it the endgame goal for many Combat, Territory, and Crafting Deviants.

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What Does 5/5 Mean in Once Human?


A Deviant's rating is usually described using two numbers:


  • Skill Rating – Affects the Deviant's overall performance, such as combat effectiveness or gathering and crafting efficiency.
  • Activity Rating – Affects how quickly the Deviant recovers resources such as Mood and Deviant Power.

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So, a 5/5 Deviant has:

Rating

Value

What It Affects

Skill Rating

5

Maximum performance potential

Activity Rating

5

Faster recovery and uptime

Because of this, 5/5 is generally considered the ideal endgame rating combination, especially for players building powerful Combat, Territory, or Crafting Deviants.


How to Get a 5/5 Deviant in Once Human


The main method for improving Deviant ratings is Deviant Fusion.

1. Unlock and Build the Fusion Pod

First, unlock the Fusion Pod Memetic through the Crafting tree. Once unlocked, build the Fusion Pod in your territory using the required materials.


2. Choose Your Parent Deviants

Place two Deviants into the Fusion Pod. For better results, start with parents that already have high ratings.


For example:

  • 5/5 + 5/5 – Best possible starting combination
  • 5/4 + 4/5 – Good potential
  • 4/5 + 4/5 – Still worth using as a breeding base

The higher the parents' ratings, the better your chances of producing a strong result.


3. Add Fusion Materials

You can add additional materials to support the fusion process, such as extra Deviants and other eligible resources.

The resulting Deviant can inherit a combination of its parents' ratings and traits. Because fusion attempts are limited, avoid using a valuable Deviant unless you're comfortable with the potential result.


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4. Repeat the Process

Getting a perfect 5/5 Deviant usually takes multiple attempts.


A common strategy is:


  1. Start with high-rated Deviants.
  2. Fuse them and keep the best offspring.
  3. Use strong results as parents for future fusions.
  4. Continue improving your rating and trait combinations.


Over time, this gives you a more consistent path toward a 5/5 result.


Best Fusion Strategy for Getting 5/5


The easiest way to improve your odds is to start with at least one high-rated parent.

Parent Combination

Potential

5/5 + 5/5

Excellent

5/4 + 4/5

Very good

5/x + 4/5

Good

4/4 + 4/4

Decent starting point

Low-rated parents

Lower priority

Don't immediately discard every Deviant below 5/5. A 5/4 or 4/5 Deviant can be an excellent fusion base and may be more valuable than a random low-rated 5/5 with poor traits.


Copying Good Traits: The Key to a Perfect Deviant


A 5/5 rating is great, but traits are equally important.


Useful traits can significantly improve a Deviant's performance, depending on its role. Examples may include:

  • World of Charm
  • Anti-Burnout
  • Cheer Up 3
  • Crack Shot

A practical strategy is to first collect and duplicate valuable traits before transferring them to your target Deviant.


Recommended Trait Fusion Strategy


  1. Find Deviants carrying the traits you want.
  2. Fuse those traits into a cleaner base with fewer unwanted traits.
  3. Create multiple copies of the desired trait combination.
  4. Use those copies in future fusion attempts with your target Deviant.

The goal is to build a strong pool of trait carriers instead of risking your best Deviant too early.


Tip: Clean parents with fewer unwanted traits generally make it easier to focus on the traits you actually want.


Where to Find High-Rated Deviants Faster


Before you can fuse a 5/5 Deviant, you need good parents. High-rated Deviants can be obtained from several activities, including:


  • Hard and Pro Securement Silos
  • Monoliths and boss encounters
  • World events and pollution zones
  • Limited-time events
  • Player trading and markets


Event and scenario content can sometimes provide rare or high-rated Deviants, giving you a better starting point for fusion.


If your goal is specifically to create a 5/5 Deviant, prioritize collecting 4/5, 5/4, and 5/5 copies rather than using every Deviant you find.


Once Human 5/5 Deviant Tips


Before you start fusing, keep these tips in mind:


  • Save high-rated Deviants. Even a 5/4 can be a valuable parent.
  • Keep low-value copies as fusion materials when appropriate.
  • Don't risk your best 5/5 unnecessarily. Build backup copies first.
  • Prioritize traits as well as ratings. A 5/5 Deviant with poor traits may not be your ideal final build.
  • Maintain the right environment. Mood and Deviant Power management still matter after reaching 5/5.
  • Sell or recycle unwanted extras when they no longer have value for your fusion projects.


Is a 5/5 Deviant Worth It?

For players focused on endgame optimization, yes. A true 5/5 Deviant provides the highest combination of Skill and Activity Ratings, making it a strong target for long-term Combat, Territory, and Crafting setups.


However, getting the perfect 5/5 Deviant with ideal traits can take time and a large number of fusion materials. The best approach is to build your collection gradually:

Find strong bases → preserve valuable traits → fuse better parents → keep improving.


Once you have the Fusion Pod and enough materials, the process becomes much more manageable.


Need more resources while farming, running Silos, or preparing for fusion? Check TOPUPlive for Once Human top-up options and see if there are suitable offers available.


FAQs


1. What does 5/5 mean in Once Human?

A 5/5 Deviant has Skill Rating 5 and Activity Rating 5, representing the maximum rating combination.


2. How do you get a 5/5 Deviant?

The main method is to use the Fusion Pod to fuse high-rated Deviants and repeatedly use the best results as parents for future fusions.


3. Should I use a 5/5 Deviant for fusion?

Generally, avoid risking your only perfect Deviant. If possible, create or obtain backup copies and use other high-rated Deviants as fusion bases.


4. Are traits more important than a 5/5 rating?

Both matter. A 5/5 Deviant provides strong rating potential, while the right traits can have a major impact on its actual usefulness. The ideal endgame Deviant combines 5/5 ratings with desirable traits.


5. What are the best Deviants to use for fusion?

Start with the highest-rated copies you can find, especially 5/5, 5/4, and 4/5 Deviants with useful or desirable traits.


Conclusion


Getting true 5/5 with ideal traits takes volume and patience, but once you have the Fusion Pod and a stock of materials, progress becomes consistent.Need more Crystgin or resources to keep farming silos and building fusion materials? Top up safely and quickly on TOPUPlive so you never slow down.

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Lucy Lauria

Lucy Lauria

Game writer

I spend most of my time exploring game worlds, testing new features, and learning how different systems work. Through my writing, I aim to share useful insights, helpful strategies, and clear guides that make games more enjoyable for everyone.

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