This is a guide to understanding how Individual Values (IVs) work in Fire Emblem Heroes (FEH). Learn what IVs do, how to check a unit's IVs, and how you can change a unit's IVs.
|Guides to Hero IVs|
|Explanation of IVs||IV Checker|
|Best IVs for All Heroes||Best IVs for All Free Units|
|Trait Fruits: How to Change IVs|
List of Contents
With the September 2020 update, you can now change a unit's IVs with Trait Fruits.
However, you will need 100 Trait Fruits in order to change a unit's IVs, so be mindful of which one you choose. You can change the IVs of either your favorite or most powerful units!
In Fire Emblem Heroes, every individual unit pulled from a banner has what are known as Individual Values (IVs). When IVs differ between units, the same hero can have different stats after reaching its max level.
There exists a basic set of stats for every hero in the game (known as base stats). IVs cause one of a hero's base stats to rise by 3~4 points and another to lower by 3~4 points.
5★ heroes can have stats that are
weak (these are not present for 4★ heroes and lower). When a unit has this
strong stat (called a superboon) as its IV, it will result in +4 points to the base value. Likewise, when a unit has a superbane (lowered IV) in a
weak stat, the value will be 4 points lower than the base stat.
When a hero receives both a superboon and a superbane, the resulting change will be ±4.
This side by side of Camilla's stats was sent in by a user through Twitter. We can use it to compare possible stats for this hero.
Comparing two Camilla units with the base values shows us that one stat will be higher and one stat will be lower than rgw base values. Very rarely, you may come across a unit whose stats do not differ from the base values.
Deirdre's asset is shown here in blue (Atk). Her flaw (HP) is displayed in red.
You can check a hero's IVs via the stats screen. A stat name, such as HP or Atk, will be written in blue when it is an asset, and red when it is a flaw.
Since the color may be a bit difficult to see, you can always press the place where the stat is shown and
flaw will be displayed.
Because Hel has been merged, any flaws have disappeared and only her asset remains (Atk).
When you Merge Allies, the flaw will disappear, so only the
asset written in blue will remain for that hero. When a hero's stats show neither blue or red letters, this unit has base values (no IVs).
Asset/Flaw Color Display is turned off by default. To turn it on, you must go to Misc. → Settings → and select
On next to Asset/Flaw Color Display.
It is also possible to check a hero's IVs through the IV calculator tool. However, this method can only be used when the hero is at level 1 or level 40.
|4★ or 3★ Unit||5★ Unit||Free Unit|
|Easy to choose IVs||Difficult to choose IVs||Cannot choose IVs|
For units only obtainable through summons, it is very difficult to obtain the IVs that you want.
Units obtained through Quests & Missions as well as Grand Hero Battles will always have base stats, meaning you cannot select their IVs either.
You would need to pull from many summons in order to get a 5★ unit with the IVs you want, so we recommend that you select a 4★ or 3★ hero with the IVs you want, unlock their potential, and build them instead. Additionally, you can pull a 5★ and use Trait Fruit to change their IVs, but since ths is a limited resource, you should use it very sparingly.
|Level 40 Stats|
|Stats for all 5★ Heroes
|Stats for all 5★ Heroes
|Stats for all 4★ Heroes
|Stats for all 3★ Heroes
|Level 1 Stats|
|5★ Initial Stats||4★ Initial Stats|
|3★ Initial Stats||-|
|IV Checker||Hero Tier List||Rerolling|
|Pull from These Summons!||Unlock Potential Tier List||Beginner's Guide|
|All FEH Heroes||Skills and Sacred Seals||Weapon Refinery|
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