Byleth (F) Builds and Best IVs | Fire Emblem Heroes

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This is a ranking page for the hero Byleth - Proven Professor 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 Byleth (F).

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Byleth (F) Rating and Basic Information

FEH Byleth (F) Banner

Overall Rating 9.0/10
Reroll Ranking (excluding Inherit Skill) S
(▶Reroll Ranking)
Ranking (including Inherit Skill) S
(▶FEH Tier List)

Byleth - Proven Professor: Basic Information

Color / Weapon Type / Move Type
Rarity
What Kind of Character Are They? ・Exclusive weapon has the effects of Null Follow-Up
・Has a special that deals additional damage to dragons and beasts
・Can nullify enemy skills that alter cooldown count of unit or the foe

Byleth (F) Skills at 5★

Skill Name Might Range Effect
16 1 Accelerates Special trigger (cooldown count-1). During combat, disables foe's skills that guarantee foe's follow-up attack or prevent unit's follow-up attack, and neutralizes skills that grant "Special cooldown charge +X" to foe or inflict "Special cooldown charge -X" on unit.
-
Cooldown = 2
Boosts damage by 20% of foe's Atk. If in combat against a dragon foe or beast foe, boosts damage by 40% instead of 20%.
-
Grants Atk/Spd/Def/Res+4.
After combat, deals 8 damage to unit.
-
If unit’s HP ≤ 75%, Special cooldown count -1 at start of turn if Special triggers by attacking. If Special triggers, +10 damage from Special.
-
At start of even-numbered turns, grants Atk +6 to unit and adjacent allies for 1 turn. (Bonus granted to unit even if no allies are adjacent. )

Byleth (F) Best IVs and Stats at Lv. 40

Stats

Stats at Lv 40

HP Atk Spd Def Res Total
5★- Adjusted for Skills 40 54 44 37 25 200
5★ Lv.40 40 34 40 33 21 168

Base Stats (with Skills)

HP Atk Spd Def Res Total
5★ Lv.1 18 26 10 7 4 65

Recommended IVs

Stat Superboon/Superbane IV Recommendation
HP (18) HP Superbane ★★☆☆☆
Atk (26) No Attack IV ★★★★★
Spd (10) Spd Boon ★★★★☆
Def (7) No Def IV ★★★☆☆
Res (4) No Res IV ★☆☆☆☆

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

IV Checker (All Heroes / All Rarities)

+Atk/-Res

Byleth's best IVs are +Atk and -Res. Byleth has such high Spd that follow-up attacks are extremely easy to come by, so maximizing the damage output is the way to good. If you want to ensure she gets a follow-up attack when going into battle, Spd is a superboon, making it a a good asset as well.

Stat Comparison of Similar Heroes

Hero
HP
Atk
Spd
Def
Res
Total
41 36 40 30 25 172
41 35 42 31 23 172
42 33 41 29 23 168
Byleth (F) Icon Byleth (F)
40 34 40 33 21 168

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

Byleth (F) Best Builds

Distant Counter Byleth (F)

Special Skill IconLuna

See Explanation and Source Heroes

How to Use, Explanation

This build is based around inheriting Distant Counter and Null C-Disrupt. This build will nullify the effects of skills like Dazzling Staff and Firesweep Bow that prevent a counterattack, allowing Byleth to counterattack any foe, including Veronica.

Source Hero

Skill Hero
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)

▶Other information regarding skills can be found here

Galeforce Sprial Byleth (F)HOT

Special Skill IconGaleforce

See Explanation and Source Heroes

How to Use, Explanation

This is a build based around inheriting Swift Sparrow and Special Spiral. By making use of her high Spd stat and equipping Flashing Blade to maximize her attack ability, she can safely trigger Galeforce. When Special Spiral is unavailable to you, Wings of Mercy is a great substitute.

Source Hero

Skill Hero
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)

▶Other information regarding skills can be found here

Budget Byleth (F)

Passive Skill A IconFury 4
Passive Skill BWrath 3

See Explanation and Source Heroes

How to Use, Explanation

This is a low investment build for Byleth (F). Since her default skills are already amazing, equipping her with an assist like Reposition and seal like Quickened Pulse is enough to make her ready for battle.

Source Hero

Skill Hero
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)
Byleth - Proven Professor Icon Byleth - Proven Professor (5★)

▶Other information regarding skills can be found here


Source Heroes for All Skills

Byleth (F) Best Weapon Refinement

Byleth (F)'s Weapon Cannot Be Refined!

Byleth (F)'s Exclusive Weapon currently cannot be refined. This section will be updated if it becomes refinable in the future.

About the Weapon Refinery

Byleth (F) Roles, Strengths, and Weaknesses

Byleth (F) Roles

Byleth - Proven Professor 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
No All Range Counterattack ImageAll-Range Counterattack RecoveryRecovery No Refresher ImageRefresher Assist Not Legendary ImageLegendary/Mythic

F!Byleth is a close ranged 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.

Byleth (F)'s Strengths

Exclusive weapon has Null Follow-Up built into it

F!Byleth's exclusive weapon skill, Creator Sword, has the effect of Null Follow-Up. This will allow her to reduce the damage taken from foes with skills like Bold Fighter and Quick Riposte, and will also allow her to make a follow-up attack even against foes with the skill Wary Fighter.

Can neutralize skills that change special cooldown

Creator Sword will also prevent any enemy skill from slowing down or speeding up a special's cooldown or speeding up. This means that she can nullify Flashing Blade or Heavy Blade and use her special without being affected by Special Fighter or Guard.

Low cooldown special that is effective on dragons and beasts

Her special skill Ruptured Sky will boost damage by 40% of a foe's Atk if they are a dragon or beast. When her HP drops to 75%, Byleth will be able to use the effects of Wrath and Ruptured Sky together to get a guaranteed special, which lets her deal heavy damage to characters like Tibarn or Duma.

Byleth (F)'s Weaknesses

Weak to magic attacks

With her low Res stat, F!Byleth will take a lot of damage from mages and dragons. Keep her out of reach from powerful blue mages like Reinhardt and Ophelia.

Should you Unlock Potential for Byleth (F)?

Should You Unlock Potential for this Hero? Cannot Unlock Potential

Byleth - Proven Professor Only Appears as a 5 Star Hero!

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

Unlock Potential Tier List

Byleth (F) - List of Skills

Weapons

Skill Name Might Range Effect Learned At
16 1 Accelerates Special trigger (cooldown count-1). During combat, disables foe's skills that guarantee foe's follow-up attack or prevent unit's follow-up attack, and neutralizes skills that grant "Special cooldown charge +X" to foe or inflict "Special cooldown charge -X" on unit. 5★
6 1 No Effect 5★
8 1 No Effect 5★
11 1 No Effect 5★

Assists

This Hero has no Assist skills that can be learned.

Specials

Skill Name Effect Learned At
(Cooldown Count = 2) Boosts damage by 20% of foe's Atk. If in combat against a dragon foe or beast foe, boosts damage by 40% instead of 20%. 5★
(Cooldown Count = 4) Boosts Atk by 30%. 5★
(Cooldown Count = 3) Boosts Atk by 30%. 5★

Passives

Skill Name Effect Learned At
Grants Atk/Spd/Def/Res +1. Unit take 2 damage after combat. 5★
Grants Atk/Spd/Def/Res +2. Unit take 4 damage after combat. 5★
Grants Atk/Spd/Def/Res +3. Unit take 6 damage after combat. 5★
Grants Atk/Spd/Def/Res+4.
After combat, deals 8 damage to unit.
5★
If unit’s HP ≤ 25%, Special cooldown count -1 at start of turn if Special triggers by attacking. If Special triggers, +10 damage from Special. 5★
If unit’s HP ≤ 50%, Special cooldown count -1 at start of turn if Special triggers by attacking. If Special triggers, +10 damage from Special. 5★
If unit’s HP ≤ 75%, Special cooldown count -1 at start of turn if Special triggers by attacking. If Special triggers, +10 damage from Special. 5★
At start of even-numbered turns, grants Atk +2 to unit and adjacent allies for 1 turn. (Bonus granted to unit even if no allies are adjacent. ) 5★
At start of even-numbered turns, grants Atk +4 to unit and adjacent allies for 1 turn. (Bonus granted to unit even if no allies are adjacent. ) 5★
At start of even-numbered turns, grants Atk +6 to unit and adjacent allies for 1 turn. (Bonus granted to unit even if no allies are adjacent. ) 5★

Byleth (F) as a Source Hero

Byleth (F) Avatar

Value of Skills ★★★★★

Inheriting Ruptured Sky or Fury 4

You may want to use F!Byleth to inherit Ruptured Sky or Fury 4. However, as Byleth is a very useful hero, we recommend you keep at least one before foddering off a duplicate.

▶Source Heroes for Skills
▶Source Heroes Tier List

How to Get Byleth (F) / Illustrations / Voice Actor / Quotes

How to Get Byleth (F)

Obtain Through Regular Summon

Byleth (F) is a Hero who can be pulled from any summon.

Note: Not currently a featured hero in any Summon events.

▶Current Focuses and Which You Should Pull From

Voice Actor and Illustrator Information

Voice Actor
(English)
Jeannie Tirado
Illustrator 廣岡政樹
Appears In

Illustration

Byleth (F).pngEnlarge Byleth (F).pngEnlarge Byleth (F).pngEnlarge Byleth (F).pngEnlarge

Quotes: Special Triggered

See Special Triggered Quotes
Allow me to demonstrate.
Let the lesson begin.
No hesitation.
It's over.

Quotes: Castle

See Castle Quotes
Everyone here has a fighting spirit. In that respect, this place feels much like the Officers Academy.
When I was a mercenary, I rarely got too close to anyone. That all changed when I became a professor.
I can patrol the area if need be. I have experience from my mercenary days, and from watching over my students.
As a professor, I spend most of my time teaching others. But I believe I could learn something from you.
I sometimes feel I am grasping for a purpose in life. Perhaps someday I will know what it is.

Lv 40 Dialogue

See Lv 40 Dialogue
How long has it been since I was summoned to this world to fight alongside you?
The flow of time brought us together, and now we are bound inextricably. I am your ally, and you are mine.
I have not forgotten the needs of my students. But I have no regrets about my decision to join your cause.
The Sword of the Creator empowers me to sever my doubts—to carve a path through tangles of uncertainty.
With this sword in hand, I will defeat our foes and lead us to victory.

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