Summer Corrin (F)

Analysis by GamePress
Summer Corrin (F) - Novice Vacationer


Obtainable as a 5 only

Hero Stats

Max Avg Total Stats at Lvl 40
HP 34
ATK 31
SPD 34
DEF 22
RES 26

Stat Variations

Level 1 Stat Variation
Low 16 6 7 4 6
Middle 17 7 8 5 7
High 18 8 9 6 8

Level 40 Stat Variations
Low 31 28 31 19 23
Middle 34 31 34 22 26
High 37 34 37 25 30

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.


  • +Speed is ideal, as it allows her to gain access to more doubles that are vitally important to an offensive mage such as Summer Corrin (F).
  • +Attack is decent, but not quite as good as +Speed because getting more doubles is significantly more important than doing 3 extra damage.


  • -Defense, -Resistance, and -HP are all equally viable as banes, as Corrin will typically have enough bulk to survive a single hit from reds regardless of choice of bane.

Skill Sets

Sink or Swim! (Flier Offensive Blade)

Build by
Alternate: Blárblade
A Life and Death 3
Alternate: Fury 3
Reposition B Desperation 3
Glimmer C Fortify Fliers
IVsSSpeed +3

Show Explanation/Analysis
  • IVs: +Speed / -Defense
  • Weapon: Blárblade+ / Blárblade
  • Assist: Reposition
  • Special: Glimmer / Moonbow / Draconic Aura
  • A Slot: Life and Death / Fury
  • B Slot: Desperation
  • C Slot: Fortify Fliers / Varies
  • Seal: Speed+3 / Heavy Blade

Standard blade tome setup, Summer Corrin (F) strongly wants to have flier teammates that can provide Hone Fliers and Fortify Fliers buffs in order to power her blade tome for massive damage output. With +Speed IV, Life and Death, and Hone Fliers buff, Corrin will reach a massive 51 speed, allowing her to double even units with significant merge advantages over her. Each of her two attacks will be dealing massive damage thanks to her blade tome, resulting in her having incredible offensive potential that few units can withstand.

Choice of special is based on preference. Glimmer works well with the massive damage output from a blade tome, as it can change a two hit kill into a one hit kill when activated. Compared to Glimmer, Moonbow trades raw damage potential for more reliable damage output, as it will provide a consistent amount of damage no matter how much raw damage Corrin does. Draconic Aura is the option to pick for maximum damage, as the percentage of attack added is actually factoring in the additional damage from blade tome due to buffs, despite how the description reads. The downside is that it has a longer charge time, and may warrant consideration of the Heavy Blade seal to compensate.

Life and Death is the A slot of choice, due to the massive increase in offenses, but with the caveat that this is based on the assumption that Summer Corrin is being run on a Flier team with access to Hone Fliers and Fortify Fliers. With Fortify Fliers, she reaches 54 physical and 61 magical bulk. If Corrin will not have consistent access to Fortify Fliers, then she should run Fury instead, as the extra bulk granted will compensate for the lack of defensive buffs. Fury has the additional benefit of recoil damage which will help her enter Desperation range.

Speed+3 is the recommended seal, though it is worth consideration that with +Speed IV, Life and Death, Hone Fliers buff, and Speed+3 seal, Corrin will reach 52 speed, which is overkill in a large number of matchups. It is primarily useful in matchups against units with more merges than Corrin, which is often the case in Arena. An alternative is Heavy Blade, which pairs with Draconic Aura for a significant increase in damage.

Archer Check (Triangle Adept Raven)

Build by
Blárraven+ A Triangle Adept 3
Reposition B Quick Riposte 3
Luna C Fortify Fliers
IVsSIote's Shield

Show Explanation/Analysis
  • IV: +Defense / -Resistance
  • Weapon: Blárraven+
  • Assist: Reposition
  • Special: Luna
  • A Slot: Triangle Adept
  • B Slot: Quick Riposte
  • C Slot: Fortify Fliers / Guidance / Varies
  • Seal: Iote’s Shield

Despite having lower defense than typically desired in a TA/Raven unit, Summer Corrin is fully capable of running the build thanks to a combination of access to Flier buffs and Iote’s Shield. This build is intended to give a flier team access to a reliable counter to archers. Because of the build’s reliance on Triangle Adept, archers running Cancel Affinity will present issues, however, and you will have to rely on the other team members to handle those. Thankfully, the superior mobility offered by fliers makes this relatively simple to achieve.

The basic core of the build is Blárraven+, Triangle Adept, Iote’s Shield, and Quick Riposte, which in tandem allow Corrin to bait and kill archers and red mages on Enemy Phase, even ones with incredible speed like Brave Lyn. She is also capable of attacking on Player Phase, thanks to the combination of her decent offensive stats and access to Flier buffs. As a result, she can also easily handle melee red units.

Luna is chosen due to its 3 cooldown, allowing it to either activate in a single combat thanks to Quick Riposte, if Corrin is doubled, or otherwise be available in the next combat if she is not doubled. Corrin’s base Fortify Fliers is a good choice for a Flier team, while Guidance is an excellent choice for support infantry and armor allies. The Guidance seal is not recommended because losing Iote’s Shield results in Corrin taking significantly more damage from archers, potentially even dying despite her build.


As a flying mage, Summer Corrin has access to both the excellent mobility and buff support of fliers. Both of these things contribute greatly to her decent offensive spread, allowing her to equip a blade tome and become an incredibly potent offensive powerhouse. Despite having low-ish bulk, Corrin’s speed allows her to easily escape a huge portion of doubles, particularly when accounting for support from her team. This means that all she has to do is be able to survive a single hit, which she is capable of doing in most cases, barring strong green units.

Despite having the innate flier weakness to archers, the Iote’s Shield seal allows Corrin to effectively provide a reliable check for archers in a flier team. However, Corrin suffers in that she is noticeably weaker outside of a flier team, regardless of build, as she is outclassed in both of her builds without flier buffs.

Overall, Summer Corrin is an excellent addition to a Flier team. She is serviceable outside of one, particularly if given access to Guidance, but she most excels with Flier support.



Corrin enjoys the same benefits that all other fliers enjoy, which are superior mobility and access to flier buffs.

As the only flying blue mage, Corrin is uniquely able to run a blade or raven tome set and also be able to move over almost all terrain.

The powerful Hone Fliers and Fortify Fliers buffs make it easy to stack an incredible +24 damage to a blade tome, or simply buffing all four stats otherwise.

Decent Offenses

While 31/34 attack and speed aren’t particularly impressive compared to the likes of Linde, they are still decent enough on their own. They serve as a solid foundation that allow Corrin to become a monstrous offensive threat in a flier team.

With Life and Death and Hone Fliers, Corrin’s 31/34 offenses become 42/45. Accounting for a Blárblade+ and +Speed IV, Corrin can have a 55/48 offensive spread, before incorporating the bonus damage from the blade tome’s effect.

Mage Flier

Summer Corrin’s status as a mage flier give her significant utility in any team, though she will always shine the most in a flier team.

She can provide massive damage with a blade tome, check archers with a raven tome, and even provide additional mobility to non-flier allies with Guidance.



While being a flier comes with a number of benefits, Summer Corrin also suffers from the same weakness as other fliers, which is a vulnerability to archers.

Her low-ish defense makes this an even bigger issue, though this can be mitigated with the Raven tome build, thanks to Iote’s Shield seal.

Support Reliant

While Summer Corrin is a decent unit on her own, she relies heavily on team support to function at her full potential.

In particular, she strongly desires flier buff support. Without it, she’s outclassed by other units.


While not an overt weakness, Summer Corrin has to compete with the likes of Cordelia and Tana for the blue slot on a flier team.

However, her role in a team can be considered different enough that she can easily be ran alongside either of them.

Weapon Skills

Weapons SP Rng. Mt.
Blue Tome Users Only
50 2 4
Blue Tome Users Only
100 2 6
Sealife Tome

Grants allies within 2 spaces Atk/Spd+1 during combat.

Blue Tome Users Only
200 2 8
Sealife Tome+

Grants allies within 2 spaces Atk/Spd+1 during combat.

Learns by default at 5 ★
Blue Tome Users Only
300 2 12
Weapon Evolution
Weapon Upgrades
Weapon Upgrades

Special Skills

Special Skills SP Turns
Dragon Gaze

Boosts damage by 30% of unit's Atk.

Learns by default at 5 ★
Non-inheritable by Staff-wielding units.
100 4
Dragon Fang

Boosts damage by 50% of unit's Atk.

Unlocks at 5 ★
Non-inheritable by Staff-wielding units.
200 4

Passive Skills

Passive Skills SP Slot
Darting Blow 1

If unit initiates combat, grants Spd+2 during combat.

Non-inheritable by Staff-wielding units.
Swift Strike 1

If unit initiates combat, unit granted Spd/Res+2 during battle.

Non-inheritable by Staff-wielding units.
Swift Strike 2

If unit initiates combat, unit granted Spd/Res+4 during battle.

Non-inheritable by Staff-wielding units.
Unlocks at 5 ★
Fortify Res 1

Grants adajacent allies Res+2 through their next actions at the start of each turn.

Inheritable by all units.
Fortify Res 2

Grants adajacent allies Res+3 through their next actions at the start of each turn.

Inheritable by all units.
Fortify Fliers

Grants adjacent flying allies Def/Res+6 through their next actions at the start of each turn.

  • Requires Fortify Def 2 or Fortify Res 2.
Only inheritable by flier units.
Unlocks at 5 ★

Other Info

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