Best Red Units Tier List | Fire Emblem Heroes (FEH)

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Best Red Units Tier List

This is a tier list of the best red units in Fire Emblem Heroes (FEH). Every hero listed on this page is a top tier hero for arena battles, so if you are curious about which red heroes to use, or who is the strongest red unit, please read on.

Best Red Heroes FEH 2021

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The Best Red Heroes 2021

Rank Hero Rating
1st Reginn - Bearing Hope Image Reginn 9.9/10
2nd Idunn - Dragonkin Duo Image Spring Idunn 9.5/10
3rd Líf - Undying Ties Duo Image Valentine's Líf 9.5/10
4th Altina - Cross-Time Duo Image Winter Altina 9.5/10
5th Lilina - Firelight Leader Image Legendary Lilina 9.5/10
Runner-Up 9.5/10

Note: Heroes who primarily act as dancers were excluded from this list.

1st: Reginn

Reginn Image
FEH Red Stone Red Sword IconSword Cavalry IconCavalry
Base Stats
Lv. 1 HP
16
Atk
26
Spd
13
Def
8
Res
5
Lv. 40 HP
38 (38)
Atk
52 (36)
Spd
43 (40)
Def
30 (30)
Res
24 (24)
Default Skills
Assist Skill Icon :-

Reginn Builds and Best IVs

Reginn is an Astra-type Mythic hero who specializes on great offense. She has arguably the best mobility in the game as not only is she a cavalry unit, but Lyngheiðr also allows her to move an extra 3 spaces after attacking. This makes her great in hit and run tactics which is especially important in Aether Raids as she will be granted movement if she destroys a structure.

Her exclusive Special, Seiðr Shell can be triggered off the 1st turn and it adds a flat damage boost and grants adaptive damage to Reginn! This allows her to take out a priority target in the first turn.

2nd: Spring Idunn

Spring Idunn Image
FEH Red Stone Red Red Breath IconRed Breath Armored IconArmored
Base Stats
Lv. 1 HP
20
Atk
25
Spd
4
Def
7
Res
11
Lv. 40 HP
46 (46)
Atk
53 (37)
Spd
26 (26)
Def
37 (37)
Res
41 (38)
Default Skills
Assist Skill Icon :-
Special Skill IconIceberg

Spring Idunn Builds and Best IVs

S!Idunn is an armored red breath unit with incredible defensive stats. Her weapon skill Zephyr Breath will trigger if she has an ally within two spaces, which will nullify penalties on Idunn, inflict Atk-6 on the foe, AND prevent the foe from making a follow-up attack. When she uses her Duo Skill, she gains a Def/Res+6 bonus and nullifies skills that are effect on dragon/armored type units (Idunn's biggest weakness). Considering she can essentially cancel out her one weakness for a turn whenever she chooses, S!Idunn is one of the best tanks in the entire game.

3rd: Valentine's Líf

Valentine
FEH Red Stone Red Red Tome IconRed Tome Cavalry IconCavalry
Base Stats
Lv. 1 HP
17
Atk
26
Spd
3
Def
8
Res
8
Lv. 40 HP
39 (39)
Atk
56 (39)
Spd
25 (25)
Def
30 (30)
Res
25 (25)
Default Skills
Weapon Skill Icon Þjálfi
Assist Skill Icon :-
Special Skill IconGlimmer

Valentine's Líf Builds and Best IVs

Valentine's Lif weapon grants him Atk/Spd/Def/Res+6 during combat if he is within 2 spaces of an ally. He also gets a guaranteed follow-up attack and reduces an enemy unit's damage reduction skill.

His duo skill also inflicts Atk/Spd-7 on foes with 3 spaces their next actions and Fatal Smoke 3 prevents enemy units from healing.

4th: Winter Altina

Winter Altina Image
FEH Red Stone Red Sword IconSword Infantry IconInfantry
Base Stats
Lv. 1 HP
18
Atk
20
Spd
0
Def
11
Res
11
Lv. 40 HP
42 (42)
Atk
50 (40)
Spd
13 (18)
Def
37 (37)
Res
39 (39)
Default Skills
Assist Skill Icon :-

Winter Altina Builds and Best IVs

Altina's weapon Ragnell·Alondite is not just another Distant Counter-built in weapon, but it also lets her attack twice even when the foe initiates combat.

Her Special Skill Twin Blades will boost damage by 40% of the foe's Res stat, and nullify any non-special skill that reduces the damage a unit takes.

And finally, her Harmonized skill gives her and her allies access to Vantage, making her able to take out foes first even if they attack her when she's at low health.

5th: Legendary Lilina

Legendary Lilina Image
FEH Red Stone Red Red Tome IconRed Tome Cavalry IconCavalry
Base Stats
Lv. 1 HP
17
Atk
26
Spd
6
Def
3
Res
7
Lv. 40 HP
39 (39)
Atk
56 (42)
Spd
21 (21)
Def
16 (16)
Res
40 (40)
Default Skills
Assist Skill Icon :-

Legendary Lilina Builds and Best IVs

Legendary Lilina's Gifted Magic is an AoE nuke and can deal lots of damage if Lilina is able to stack tons of Atk versus the target's defensive stats.

Her Studied Forblaze disables unit's and foe's skills that change attack priority if Lilina is at least at 25% HP, letting her avoid Vantage sweepers like Altina.

Top Tier Runner-Up Red Heroes

Summer Byleth (F)

Summer Byleth (F) Image
FEH Red Stone Red Red Tome IconRed Tome Flying IconFlying
Base Stats
Lv. 1 HP
18
Atk
22
Spd
12
Def
3
Res
4
Lv. 40 HP
40 (40)
Atk
50 (36)
Spd
42 (42)
Def
16 (16)
Res
21 (21)
Default Skills
Assist Skill Icon :-

Summer Byleth (F) Builds and Best IVs

Summer Byleth (F) is an offense oriented flying red tome duo hero. Since she is a duo hero, she has access to a duo skill. Her duo skill grants her and all allies wihin 2 spaces of her Desperation. It is pretty similar Desperation 3 as it allows for the follow-up attack to come before the foe's counterattack, but this status does not require for an HP requirement.

Her kit allows her to be a powerful offensive tome user. She also has Guidance 3 which grants ground units extra mobility. This makes her both a good option for all-flying or mixed teams. You can run many types of builds with her and since her weapon blocks effects that disable her follow-up attacks, then you can easily run a double-hit Windsweep build on her.

Brave Lysithea

Brave Lysithea Image
FEH Red Stone Red Red Tome IconRed Tome Infantry IconInfantry
Base Stats
Lv. 1 HP
18
Atk
24
Spd
12
Def
4
Res
8
Lv. 40 HP
40 (40)
Atk
54 (40)
Spd
42 (39)
Def
21 (21)
Res
25 (25)
Default Skills
Assist Skill Icon :-
Special Skill IconMoonbow

Brave Lysithea Builds and Best IVs

Lysithea is a high-powered offensive unit that can guarantee a consecutive follow-up attack similar to Lewyn. The trigger conditions for activating her full offensive potential are pretty easy to trigger as Atk/Spd Push 4 will set her up for the HP requirement needed for Dark Spikes T's consecutive follow-up attack. With enough investment or support, Brave Lysithea can take a wide range of units without taking damage as they enemies will go down before their chance for a counterattack.

Fallen Julia

Fallen Julia Image
FEH Red Stone Red Red Tome IconRed Tome Infantry IconInfantry
Base Stats
Lv. 1 HP
17
Atk
28
Spd
5
Def
4
Res
10
Lv. 40 HP
39 (39)
Atk
58 (41)
Spd
24 (24)
Def
17 (17)
Res
40 (40)
Default Skills
Assist Skill Icon :-
Special Skill IconIceberg

Fallen Julia Builds and Best IVs

Fallen Julia boasts high offense, powerful debuffing skills and a very high Res stat. This allows her to be a great match-up against a wide array of foes. She sports a guaranteed follow-up attack against all foes without a weapon strong against dragons. Additionaly, She gets a huge Atk/Res buff from her A skill and Iceberg capitalizes on this as it converts her Res into damage. Finally, Light and Dark and Panic Smoke 3 combine for a great debuff skill duo that will weaken most enemy lineups. This means even Julia's allies will perform better as long as Julia is on the field.

Fallen Ike

Fallen Ike Image
FEH Red Stone Red Sword IconSword Infantry IconInfantry
Base Stats
Lv. 1 HP
18
Atk
25
Spd
12
Def
6
Res
6
Lv. 40 HP
40 (40)
Atk
51 (35)
Spd
42 (42)
Def
32 (32)
Res
23 (23)
Default Skills
Assist Skill Icon :-
Passive Skill B Icon Repel 3

Fallen Ike Builds and Best IVs

The primary factor that makes Fallen Ike very strong is his ability to convert penalties into bonuses through his weapon, Chaos Ragell. This is especially effective in the current meta where debuffs are very prevalent. This quirk makes him a great unit in Aether Raids as debuffs are coming both from units and buildings in this game mode. Like all Ragnells, Fallen Ragnell also has Distant Counter. Fallen Ragnell alone makesh im a formidable offensive unit.

His other abilities are amazingly powerful as well. His Special Mayhem Aether boosts both his damage and heals him using the damage. It has a cooldown of 4, but it is sped up by Darting Breath which also grants Spd. Another skill that grants him Spd is Atk/Spd Oath 3. Spd is very important for him not only for follow-up attacks, but because of Repel 3's effect. Repel allows Ike to reduce damage taken by stacking tons of Spd.

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Comment

1 Anonymous10 months

Why does sothis say summer tiki?

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    • What is a recommended hero merge level for endgame that we should target eg for edelguard? Is M+1 good enough?

    • >>[63]
      Thanks a lot Mike. Yes that’s duo/ninja Lyn. I’ll keep it then.

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