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Brave Byleth (F)

Analysis by StanTheWoz
Brave Byleth (F) - Sublime Light

5

Obtainable as a 5 only

Hero Stats

Max Avg Total Stats at Lvl 40
173
HP 39
ATK 41
SPD 43
DEF 26
RES 24

Stat Variations

Level 1 Stat Variation
5★
HP ATK SPD DEF RES
Low 16 10 9 3 6
Middle 17 11 10 4 7
High 18 12 11 5 8

Level 40 Stat Variations
5★
HP ATK SPD DEF RES
Low 35 38 39 22 21
Middle 39 41 43 26 24
High 42 45 46 29 27

IV Sets

Key stats worth increasing through nature if possible.
Complementary stats that matter, but not to the point of picking them over key stats for nature increase.
Relatively worthless stat that can safely be decreased through nature.
HPATKSPDDEFRES

Skill Sets

Gonna Fly Now (Mixed Phase)

Build by StanTheWoz
Recommended
Inner Wellspring A Atk/Spd Catch 4
Positional Assist B Spd Preempt 3
Divine Pulse C Spd/Res Hold
Alternate: Pulse Smoke 3
IVs

+Atk or +Spd / -Def or -Res

SAtk/Spd Solo 3

Show Explanation/Analysis

Weapon: Inner Wellspring

Assist: Positional Assist / Flexible

Special: Divine Pulse 

IVs: +Atk or +Spd / -Def or -Res

Passive A: Atk/Spd Catch 4 

Passive B: Spd Preempt

Passive C: Spd/Res Hold / Pulse Smoke / Flexible

Sacred Seal: Atk/Spd Solo / Flexible

  • Byleth’s base kit gives her all the tools she needs to be a threat on both phases. Some of her skills are more powerful than any alternative while others may be replaced for specific uses. 
  • The combination of Inner Wellspring, Divine Pulse, and Spd Preempt allows Byleth to be a terrifying threat on both phases so long as she starts her turn within 2 spaces of an ally: she grants herself Null Follow-Up and fully charges Divine Pulse, can activate it immediately in combat to deal extra damage and reduce the damage she takes from her foe’s next hit by 75% and then boost the damage of her next attack by a slightly smaller amount. Null Follow-Up prevents any follow-up attacks from slower foes. Then, after combat, as long as she either initiated or was within two spaces of an ally, Inner Wellspring charges Divine Pulse by 1 again, fully charging it for the next encounter. If she is attacked by a bow, dagger, magic, or staff unit on enemy phase, Spd Preempt allows her to counterattack before they attack so long as she outspeeds them, which is easy to do against most foes under most conditions. 
  • Spd is generally Byleth’s best boon due to her reliance on it for follow-ups and boosting the damage from Divine Pulse, but Atk is also a great option. Either Def or Res is her best bane. Since she has 75% damage reduction against enemy attacks under most conditions, each point of Def or Res is only worth about 25% of a point of HP. 
  • The C skill is flexible. While Spd/Res Hold provides a great debuff of -4 Spd and Res to foes within 3 spaces, under some circumstances it may be more useful to have another effect such as Pulse Smoke or Fatal Smoke to counter particular units. 
  • Atk/Spd Solo is a great choice of seal due to its reliable +6 boost to Atk and Spd in both phases, so long as Byleth is not adjacent to an ally. Blade Session provides a boost of up to +9 to both in player phase, but provides no boost in enemy phase. Other options that boost Atk and Spd like Life and Death can also work, with the reduction in Def and Res barely being noticeable in most cases due to Divine Pulse’s 75% damage reduction.

Strengths

Inner Wellspring

Byleth’s unique tome Inner Wellspring provides a variety of great effects. It accelerates her Special trigger by 1, provides Null Follow-Up as a status effect if she starts her turn within 2 spaces of an ally, as well as charging her Special by 1 under the same conditions. In combat, it provides a boost of 5 to all stats under easy conditions and charges her Special by 1 after combat similar to Special Spiral. These effects combine with Divine Pulse to allow her to activate her Special immediately in most combats and then charge it again afterwards even if she KOs her opponent in one hit. 

Divine Pulse

Byleth’s unique Special Divine Pulse provides several useful effects. On attack, it boosts her damage by 25% of her Spd. Then, it reduces the damage taken from her foe’s next attack by 75%, and boosts the damage of Byleth’s next attack by 20% of her Spd, making her very difficult for most units to KO and essentially allowing her to activate a Special on both hits. Since Divine Pulse is a Special, the damage reduction is NOT pierced by effects such as Deadeye and Lethality, though due to Deadeye’s damage doubling on top of Byleth’s bow weakness she may be KO’d by the sheer multiplicity. 

Colorless Tome Flier

Byleth’s status as a colorless tome flier gives her neutral triangle matchups against all units, and allows her to use great skills like Atk/Spd Catch and Spd Preempt, a new skill which inflicts a Spd debuff on her foe during combat and allows her to counterattack before they can attack as long as the foe wields a ranged weapon and she outspeeds them. 

Amazing Atk and Spd

Byleth’s 41 base Atk and 43 base Spd make her deal high damage and, in combination with her Null Follow-Up effect from Inner Wellspring, allow her to follow-up and avoid follow-up attacks from most units. 

Decent HP, Def, and Res

Byleth’s base 39 HP, 26 Def, and 24 Res are mediocre but still decent and allow her to take weak hits. Of course, the damage reduction from Divine Pulse allows her to take very little damage from most hits, so these stats are comparatively less important. 

Weaknesses

Enemy Phase Brave-style weapons

Divine Pulse’s damage reduction only applies to the single next hit Byleth takes in combat, so weapons like Ragnell Alondite and Regal Sunshade that strike twice on enemy phase can deal full damage on the second hit, likely KOing her. 

Damage Reduction

Byleth’s kit gives her no way of penetrating percentage-based damage reduction effects like Aegis paired with Hardy Fighter, other than simply activating the effect on her first attack, taking a counterattack, and then possibly dealing full damage on the second. 

Faster Foes

While there are few units faster than Byleth, if her foe does manage to outspeed her by 5 points they can follow-up and avoid her follow-up, causing her to take full damage from their second attack. 

Weapon Skills

Weapons SP Rng. Mt.
Stone
Learns by default at 1 ★
Unlocks at 1 ★
Colorless Tome Only
50 2 4
Elstone
Learns by default at 2 ★
Unlocks at 2 ★
Colorless Tome Only
100 2 6
Atlas (Weapon)
Learns by default at 4 ★
Unlocks at 3 ★
Colorless Tome Only
200 2 9
Inner WellspringAccelerates Special trigger (cooldown count-1). At start of turn, if unit is within 2 spaces of an ally, grants【Null Follow-Up】to unit for 1 turn, and also, if Special cooldown count is at its maximum value, grants Special cooldown count-1. If unit initiates combat or is within 2 spaces of an ally, grants Atk/Spd/Def/Res+5 to unit during combat and if Special triggers before or during combat, grants Special cooldown count-1 after combat.  【Null Follow-Up】 If unit's Spd > foe's Spd during combat, neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks for 1 turn.
Learns by default at 5 ★
Unlocks at 5 ★
Non-Inheritable skill.
400 2 14
Weapon Evolution
Weapon Upgrades
Weapon Upgrades

Special Skills

Special Skills SP Turns
Dragon GazeBoosts Atk by 30%.
Learns by default at 4 ★
Unlocks at 3 ★
Non-inheritable by Staff-wielding units.
100 4
Draconic AuraBoosts Atk by 30%.
Unlocks at 4 ★
Non-inheritable by Staff-wielding units.
200 3
Divine PulseBoosts damage by 25% of unit's Spd. Reduces damage from foe's next attack by 75%, and unit's next attack deals damage = 20% of unit's Spd. (Resets at end of combat.)
Unlocks at 5 ★
Non-Inheritable skill.
500 2

Passive Skills

Passive Skills SP Slot
Atk/Spd Catch 1At start of combat, if foe's HP = 100% or if【Penalty】is active on foe, grants Atk/Spd+3 to unit during combat.  【Penalty】 All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).
Cavalry & Flying Only
Unlocks at 2 ★
60
A
Atk/Spd Catch 2At start of combat, if foe’s HP = 100% or if【Penalty】is active on foe, grants Atk/Spd+4 to unit during combat.  【Penalty】 All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).
Cavalry & Flying Only
Unlocks at 3 ★
120
A
Atk/Spd Catch 3At start of combat, if foe’s HP = 100% or if【Penalty】is active on foe, grants Atk/Spd+5 to unit during combat.  【Penalty】 All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).
Cavalry & Flying Only
Unlocks at 4 ★
240
A
Atk/Spd Catch 4At start of combat, if foe's HP = 100% or if【Penalty】is active on foe, grants Atk/Spd+7 to unit during combat. At start of combat, if foe's HP = 100% and【Penalty】is active on foe, grants an additional Atk/Spd+2 to unit during combat.  【Penalty】 All effects that last "on foe through its next action." Includes penalties inflicted by a skill like Panic or Threaten and negative status effects (preventing counterattacks, restricting movement, or the effects of a skill like Triangle Adept or Guard).
Cavalry & Flying Only
Unlocks at 5 ★
300
A
Spd Preempt 1Inflicts Spd-2 on foe during combat. If foe initiates combat and uses bow, dagger, magic, or staff and unit's Spd ≥ foe's Spd+5, unit can counterattack before foe's first attack. (Excluding when unit's Savior skill triggers.)
Cannot be inherited by Axe, Sword, Lance or Beasts of any color.
Unlocks at 1 ★
60
B
Spd Preempt 2Inflicts Spd-3 on foe during combat. If foe initiates combat and uses bow, dagger, magic, or staff and unit's Spd ≥ foe's Spd+3, unit can counterattack before foe's first attack. (Excluding when unit's Savior skill triggers.)
Cannot be inherited by Axe, Sword, Lance or Beasts of any color.
Unlocks at 2 ★
120
B
Spd Preempt 3Inflicts Spd-4 on foe during combat. If foe initiates combat and uses bow, dagger, magic, or staff and unit's Spd > foe's Spd, unit can counterattack before foe's first attack. (Excluding when unit's Savior skill triggers.)
Cannot be inherited by Axe, Sword, Lance or Beasts of any color.
Unlocks at 4 ★
240
B
Spd/Res Rein 1Inflicts Spd/Res-2 on foes within 2 spaces during combat.
Only inheritable by flier units.
Unlocks at 2 ★
60
C
Spd/Res Rein 2Inflicts Spd/Res-3 on foes within 2 spaces during combat.
Only inheritable by flier units.
Unlocks at 3 ★
120
C
Spd/Res Rein 3Inflicts Spd/Res-4 on foes within 2 spaces during combat.
Only inheritable by flier units.
Unlocks at 4 ★
240
C
Spd/Res HoldInflicts Spd/Res-4 on foes within 3 spaces during combat.
Flying Only
Unlocks at 5 ★
300
C

Other Info

Origin
Fire Emblem: Three Houses

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