Guides › System
How Aniimo Personalities and Psych Fruit Work
Which letters raise damage, regen and crit, how personality changes Homeland work output, and what you give up when a Change Personality reroll comes up random.

The short version
- Every Aniimo, wild spawns included, rolls its own personality, shown as a four-letter MBTI-style code such as ENTP at the top of its page in the Aniimo tab.
- Personality letters carry stat bonuses: S adds damage, I (Instinctive) gives a 4% regeneration bonus, and one personality adds 5% crit chance.
- Personality also sets how well an Aniimo works Homeland jobs, and some perks give a 20% efficiency boost at specific tasks such as mining or particular crafting stations.
- You can reroll a personality with a fruit through the Change Personality button, but the result is random, so you cannot pick the code you want.
- Personality is not just a stat line: Budsquire only evolves at level 27 with the Faithful personality, and Glamour Star scoring includes a personality bonus.
Two Aniimo of the same species are not the same Aniimo. Every one you catch or hatch, and every wild spawn you pass, has its own traits, abilities, qualities, randomly generated stat values and a personality type. Of those, personality is the one you can read at a glance and the one you can change after the fact.
It matters in three places. It adds specific stat bonuses and changes how an Aniimo behaves in combat. It decides how efficiently that Aniimo works jobs in your Homeland. And it gates a few things you would not expect, including at least one evolution.
This page covers how to read the code, what the letters do, and how rerolling with Psych Fruit works.
Reading the four-letter personality code
Each Aniimo has a personality type based on Myers-Briggs (MBTI) profiles. The game shows it as a four-letter code, such as ENTP, at the top of the Aniimo's page in the Aniimo tab. That is where to look whenever you are comparing two of the same species.
The personality is rolled at random when you get the Aniimo. It modifies the creature's combat behaviour and provides specific stat bonuses, so the code is not decoration. Read it the way you would read a stat line.
Because the roll is individual, a duplicate is never automatically a spare. Two of the same species can differ in both potential and personality, and potential has its own rules; the article on Innate and Acquired Potential covers that side.
What personality does to Aniimo stats
Every Aniimo has six attributes that determine its strength: HP, Attack, Physical Defense, Regen, Magic Defense and Break. Personality does not replace those base stats. It adds buffs on top of them, and different personalities grant different buffs.
The bonuses tie to individual letters. The S trait gives stat bonuses to damage. The I letter, Instinctive, gives a 4% regeneration bonus. Personality can also raise crit rate, and one personality adds 5% crit chance.
The practical upshot: when you are chasing perfect stats on an Aniimo, the four letters are part of the build. An attacker with S in its code is getting something a defensive Aniimo may not need, and an Instinctive Aniimo leans toward sustain through its Regen bonus.
5%
Crit chance from one personality
Personality at work in the Homeland
Personality also affects how efficiently an Aniimo works Homeland jobs such as crafting and gathering. Some personality perks give a 20% work efficiency boost at specific tasks, such as mining or particular crafting stations.
So an Aniimo that is middling in a fight can still be your best miner, and the reverse is true too. Putting each one on the job its personality favours improves output. The guide to assigning Aniimo workers in the Homeland covers the job side in full.
20%
Work efficiency boost from some perks
Rerolling a personality with Psych Fruit
A personality is not permanent. After you obtain an Aniimo you can reroll its personality traits by feeding it a fruit through the Change Personality button on its page.
The fruit's name is not settled in the game's text. It appears as Soul Fruit, Psychic Fruit, Psych Fruit and Psyche Fruit, and they all refer to the fruit used for Change Personality. Glimmer is the resource used for nurturing, and that includes Kappa and Psyche fruits.
The catch is in the word random. The reroll does not let you choose a code. You feed the fruit and take what comes, which can be worse than what you had. Before you use one on an Aniimo whose current letters already suit its role, check that you are willing to lose them.
Where personality matters beyond the numbers
Some uses of personality have nothing to do with stat bonuses. Budsquire evolves at level 27, but only when it has the Faithful personality and is the only member of your party. A Budsquire with the wrong personality will not take that evolution, which makes it one of the clearest cases for a reroll.
Glamour Star scoring also includes a personality bonus, so the code counts there too.
Aniimo have character outside the menus as well. They show visible emotions such as happiness, frustration, tiredness and sadness, including in the home, and each has its own idle animations, some of which interact with the screen when you go AFK.
Where to start
Check the four letters on every Aniimo you plan to use. Put attackers with damage letters in fights and let the 20% work perks decide your Homeland jobs. Save Psych Fruit for Aniimo whose current personality is actually in the way, such as a Budsquire that is not Faithful, because a random reroll can take away letters you wanted.
Most of this page was re-checked against the released game on 4 October 2026. The rest has not been re-confirmed since release.