Erinys Builds and Best IVs | Fire Emblem Heroes (FEH)

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This is a ranking page for the hero Erinys - Earnest Knight from the game Fire Emblem Heroes (FEH). Read on to learn the best IVs (Individual Values), best builds (Inherit Skill), weapon refinement, stats at Lv 40, and more for Erinys.

New Heroes - Enduring Legacy Featured Heroes
Annand Icon Annand
[8.0/10]
Azelle Icon Azelle
[8.5/10]
Erinys Icon Erinys
[8.5/10]
Lex Icon Lex
[8.0/10]

Erinys Rating and Basic Information

FEH Erinys Banner

Overall Rating 8.5/10
Reroll Ranking (excluding Inherit Skill) A
(▶Reroll Ranking)
Ranking (including Inherit Skill) A
(▶FEH Tier List)

Erinys - Earnest Knight: Basic Information

Color / Weapon Type / Move Type
Rarity
What Kind of Character Are They? ・Strikes twice if support partner is nearby
・Possesses multiple, reliable debuff skills
・Posseses an upgraded Duel skill, B Duel Flying 4

Erinys Skills at 5★

Skill Name Might Range Effect
16 1 Grants Atk +3. At the start of combat if foe's HP ≥ 50%, grants Atk/Spd+6 to unit dring combat, and also, if unit is within 2 spaces of support partner and initiates combat, unit attacks twice.
1 Neutralizes target ally's penalties (from skills like Panic, Threaten, etc.) and negative status effects (preventing counterattacks, restricting movement, etc.) that last through ally's next action. Converts any penalties on target ally into bonuses.
-
Grants HP+5, Atk/Spd/Def/Res+2. If unit is 5★, level 40, a Legendary or a Mythic Hero, and unit's stats total less than 175, treats unit's stats as 175 in modes like Arena. If unit is 5★, level 40, not a Legendary or a Mythic Hero, and unit's stats total less than 180, treats unit's stats as 180 in modes like Arena. (Higher-scoring opponents will appear. Stat total calculation excludes any values added by merges and skills.)
-
At start of turn, inflicts Atk/Spd -5 on foe on the enemy team with the highest Atk+Spd total through its next action.
-
Inflicts Atk/Def-4 on foes within 2 spaces during combat.

Erinys Best IVs and Stats at Lv. 40

Stats

Lv 40+10 Stats (5★)

Stats at Lv 40

HP Atk Spd Def Res Total
5★- Adjusted for Skills 44 58 43 34 25 204
5★ Lv.40 39 37 41 32 23 172

Initial Stats (with Skills)

HP Atk Spd Def Res Total
5★ Lv.1 17 26 11 10 6 70

Recommended IVs

Stat Superboon/Superbane IV Recommendation
HP (17) HP Superbane ★★★☆☆
Atk (26) Attack Boon ★★★★★
Spd (11) Spd Boon ★★★★☆
Def (10) Def Bane ★★☆☆☆
Res (6) No Res IV ★★☆☆☆

◯ = Stat gains +4 with a superboon, ✕= Stat goes down by -4 with a superbane, - = No assets or flaws

+Atk/-Def

The best IVs for Erinys are +Atk and -Def. Her weapon can guarantee her a double strike through a simple trigger condition, so even a small change in +Atk is very efficient in raising her overall damage. Taking a bane in her Def stat is ideal because it will balance her defensive stats. Taking a bane in Res will make her very susceptible to magic attacks so its not smart to take a bane in said stat.

Be warned that Def is a superbane, though! It will take -4 Def instead of the normal -3. If you can, get at least 1 merge on Erinys to eliminate any bane you have on her.

+Atk for a +10 Merge

We recommend a +Atk IV when merging Erinys to 10. With +10 merges, Erinys's Atk stat will reach 64 with the weapon skill. With her ability to double strike, and potential to consistently quad-attack, she can definitely be a high-ceiling unit when it comes to offenses.

Stat Comparison of Similar Heroes

Hero
HP
Atk
Spd
Def
Res
Total
Erinys Icon Erinys
39 37 41 32 23 172
43 35 38 23 33 172
39 32 40 26 30 167
38 32 38 21 37 166
39 34 42 25 26 166
39 30 39 29 25 162
40 35 36 28 23 162
42 33 38 28 21 162
37 34 36 33 21 161
41 35 32 25 24 157
36 34 36 25 25 156

Note: Stats bonuses from skills are not taken into account.

Erinys Best Builds

Death Blow ErinysHOT

See Explanation and Source Heroes

How to Use, Explanation

A very expensive build for Erinys that builds Atk stat so that she can consistently activate Ruptured Sky with her double strikes and Heavy Blade 3 procs. It is simple, but she can hit very hard with this skill build.

Source Hero

Skill Hero
Erinys - Earnest Knight Icon Erinys - Earnest Knight (5★)

▶Other information regarding skills can be found here

Budget Erinys

Special Skill IconMoonbow

See Explanation and Source Heroes

How to Use, Explanation

A budget skill build for Erinys that slaps a standard-issue Moonbow, Atk/Def Rein 3 and a utility Sacred Seal, Aerobatics 3. Aerobatics helps her go to her support ally to trigger her weapon skill's double strike and the rest of her skills takes care of her damage input.

Source Hero

Skill Hero
Erinys - Earnest Knight Icon Erinys - Earnest Knight (5★)
Erinys - Earnest Knight Icon Erinys - Earnest Knight (5★)
Erinys - Earnest Knight Icon Erinys - Earnest Knight (5★)
Erinys - Earnest Knight Icon Erinys - Earnest Knight (5★)
Erinys - Earnest Knight Icon Erinys - Earnest Knight (5★)

▶Other information regarding skills can be found here

Source Heroes for All Skills

Erinys Best Weapon Refine

Erinys's Weapon Cannot Be Refined!

Erinys's weapon cannot currently be refined. This section will be updated if it becomes refineable in the future!

About the Weapon Refinery

Erinys Roles, Strengths, and Weaknesses

Erinys Roles

Erinys - Earnest Knight Roles
Close Physical Attack ImageClose-Physical Ranged Physical AttackRanged-Physical Close Magic AttackClose-Magic Ranged MagicRanged-Magic
Physical Wall ImagePhysical Wall Magic WallMagic Wall Effective ImageEffective Weapon Movement Assist ImageMovement Assist
Exclusive Skill ImageExclusive Skill No All Range Counterattack ImageAll-Range Counterattack RecoveryRecovery No Refresher ImageRefresher
No Legendary Hero ImageLegendary No Mythic Hero ImageMythic No Duo and Harmonized ImageDuo/Harmonized No Resplendent ImageResplendent

Erinys is a close physical attacker (range = 1). Therefore, when not accounting for the Weapon Triangle, the amount of damage she deals will be equivalent to her Atk minus the foe's Def stat.

Erinys Strengths

Silesse Frost allows Erynis opportunities to score quad-attacks

When Erinys is within 2 spaces of her support partner and she initiates an attack, she strikes twice similar to how Brave weapons work. Since this is an extra attack and not a follow-up attack, she can still land a follow-up attack that doubles her attacks. This results in 4 attacks if she is able to win the Spd check in the player phase. The +6 Atk/Spd bonus helps a lot in the Spd check.

Erynis Combat Bar Fire Emblem Heroes FEH

53x4! 216 damage in a single combat instance for Erinys

B Duel Flying 4 Raises your Arena score

B Duel Flying 4 is a special skill that treats the unit’s stats as 175 in the Arena, allowing your overall score to increase when using her. It is usable by any blue flying unit, so equip it and increase your score as you would like, but keep in mind that as an A slot skill it means you will lose the ability to useful, powerful A skills like Fury 4 or Atk/Spd Solo 4.

Because it is an upgrade from B Duel Flying 3, it also gives Atk/Spd/Def/Res +2 on top of the original +5 HP.

Turn Debuffs into Bonuses

Harsh Command+ is a very powerful assist skill that not only neutralizes penalties on an ally, but it also converts them into bonuses. This skill is a tide turner in battles and especially useful in Aether Raids, where debuffs are coming not only from enemy heroes, but defensive structures as well.

Carries reliable debuffs

Erinys has two reliable debuffs:

  1. Chill Atk/Spd 2 debuffs one of the most powerful offensive unit in the enemy team.
  2. Atk/Def Rein 3 inflicts an Atk/Def debuff in a modest area around her.

Since she is not required to enter combat for the debuffs to take effect, she can be a semi-support unit of some kind especially when combined with her native Harsh Command+. Take note of this when trying to run her in an all flier team. As long as her support partner is alive to allow her to score quad-attacks, she is in a good place offensively and she does not require much support at that point to be effective.

Erinys Weaknesses

Low Res

Erinys's Res only sits at 23 at Lv.40. This makes it easy for magic users to take her out. Be mindful of Erinys's positioning in relation to magical units that can easily take her out.

Silesse Frost dependent on support partner

While Silesse Frost does carry powerful effects, the second strike requires Erinys to be within 2 spaces of her support partner. This means that without prior planning in team building, the second strike cannot be landed. This is a huge blow to her overall viability as a unit so make sure to prepare beforehand!

B Duel Flying 4 is mainly for scoring purposes

While B Duel Flying 4 does give some nice stats, the A skill can be home to very powerful skills that are cornerstones for great builds. If you plan to use Erinys outside of the Arena, make sure to get her an A skill that allows her to perform better in combat.

Weak to bows

As a flying unit, Erinys takes 1.5x damage from bows and weapons effective on flying units. Be sure to keep them out of the range of archers and leave them to other units.

Heroes with Effective Skills

Should you Unlock Potential for Erinys?

Should You Unlock Potential for this Hero? Cannot Unlock Potential

Erinys - Earnest Knight Only Appears as a 5 Star Hero!

Erinys - Earnest Knight only appears as a 5 Star Hero. We will include whether or not you should Unlock Potential for Erinys - Earnest Knight if a 4 Star version is released!

Unlock Potential Tier List

Erinys - List of Skills

Weapons

Skill Name Might Range Effect Learned At
16 1 Grants Atk +3. At the start of combat if foe's HP ≥ 50%, grants Atk/Spd+6 to unit dring combat, and also, if unit is within 2 spaces of support partner and initiates combat, unit attacks twice. 5★

Assists

Skill Name Range Effect Learned At
1 Converts penalties on target into bonuses. 5★
1 Neutralizes target ally's penalties (from skills like Panic, Threaten, etc.) and negative status effects (preventing counterattacks, restricting movement, etc.) that last through ally's next action. Converts any penalties on target ally into bonuses. 5★

Specials

This Hero has no Special skills that can be learned.

Passives

Skill Name Effect Learned At
Grants HP+3. If unit is 5★ and level 40 and unit’s stats total less than 160, treats unit’s stats as 160 in modes like Arena. (Higher-scoring opponents will appear. Stat total calculation excludes any values added by merges and skills.) 5★
Grants HP+4. If unit is 5★ and level 40 and unit’s stats total less than 165, treats unit’s stats as 165 in modes like Arena. (Higher-scoring opponents will appear. Stat total calculation excludes any values added by merges and skills.) 5★
Grants HP+5. If unit is 5★ and level 40 and unit’s stats total less than 170, treats unit’s stats as 170 in modes like Arena. (Higher-scoring opponents will appear. Stat total calculation excludes any values added by merges and skills.) 5★
Grants HP+5, Atk/Spd/Def/Res+2. If unit is 5★, level 40, a Legendary or a Mythic Hero, and unit's stats total less than 175, treats unit's stats as 175 in modes like Arena. If unit is 5★, level 40, not a Legendary or a Mythic Hero, and unit's stats total less than 180, treats unit's stats as 180 in modes like Arena. (Higher-scoring opponents will appear. Stat total calculation excludes any values added by merges and skills.) 5★
At start of turn, inflicts Atk/Spd-3 on foe on the enemy team with the highest Atk+Spd total through its next action. 5★
At start of turn, inflicts Atk/Spd -5 on foe on the enemy team with the highest Atk+Spd total through its next action. 5★
Inflicts Atk/Def-2 on foes within 2 spaces during combat. 5★
Inflicts Atk/Def-3 on foes within 2 spaces during combat. 5★
Inflicts Atk/Def-4 on foes within 2 spaces during combat. 5★

Erinys as a Source Hero

Erinys Avatar

Value of Skills ★★★★★

Inheriting B Duel Flying 4 or Atk/Def Rein 3

Erinys can be used to inherit B Duel Flying 4 or Atk/Def Rein 3. If you are able to inherit B Duel Flying 3 from another unit, you can get both skills from Erinys! However, Erinys is a powerful hero whom you can provide some firepower for your flier teams. Please think carefully before fodderring her off!

How to Get Erinys / Illustrations / Voice Actor / Quotes

How to Get Erinys

Obtain Through Regular Summon

Erinys is a Hero who can be pulled from any summon.

Event Name Focus
Enduring Legacy Banner
Enduring Legacy
New Heroes Summon
Erinys - Earnest Knight Icon Erinys

Starts:02/16/2021
Ends:03/05/2021

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Voice Actor and Illustrator Information

Voice Actor
(English)
G.K. Bowes
Illustrator Kakage
Appears In

Illustration

Erinys.pngEnlarge Erinys.pngEnlarge Erinys.pngEnlarge Erinys.pngEnlarge

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[8.0/10]
Azelle Icon Azelle
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Erinys Icon Erinys
[8.5/10]
Lex Icon Lex
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