Fallen Delthea

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Analysis by Naz
Fallen Delthea - Tatarrah's Puppet

Hero Stats

Max Avg Total Stats at Lvl 40
HP 41
ATK 36
SPD 33
DEF 19
RES 28

Stat Variations

Level 1 Stat Variation
Low 16 9 8 3 5
Middle 17 10 9 4 6
High 18 11 10 5 7

Level 40 Stat Variations
Low 38 33 30 16 24
Middle 41 36 33 19 28
High 44 39 36 22 31

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.

This unit requires use of Trait Fruits to get access to IVs

Skill Sets

Touch of Death (Offensive Nuke)

Build by Naz
Death A Sturdy Impact
Alternate: Swift Sparrow 2
Reposition B Mystic Boost 3
Alternate: Chill Res 3
Alternate: Luna
C Even Atk Wave 3

+ATK or +SPD

SDarting Blow 3
Alternate: Heavy Blade 3

Show Explanation/Analysis

Weapon: Death

Assist: Reposition

Special: Moonbow / Luna

  • This set focuses on making unique and effective use of Delthea’s personal weapon, Death, by making use of all of the stat boosts it provides.

  • Moonbow makes for a strong choice thank to scaling damage and frequent activation.

  • Luna can be combined with the Heavy Blade Sacred Seal for a more powerful, albeit less consistent alternative.

Passive A: Sturdy Impact / Swift Sparrow / Death Blow

  • Sturdy Impact is a highly coveted A skill and a phenomenal choice for this playstyle. In addition to the significant Attack boost, Sturdy Impact greatly increases survivability when initiating with a colossal +10 boost to Attack as well as preventing the opponent from making follow-up attacks.

  • This plus the effect of Delthea’s weapon brings her base Defense all the way up to 33.

  • If unavailable, Swift Sparrow and Death Blow both make for suitable budget options for boosting Delthea’s power during Player Phase.

Passive B: Mystic Boost / Chill Res/ Chill Speed / Desperation

  • Mythic Boost is used to further support Delthea’s weapon. On top of restoring 6 HP after combat to counteract the damage received from Death, it also disables the adaptive damage effect of Breath weapons as well as the effects of Wrathful Staff, allowing Delthea to better combat both dragons and healers.

  • Chill Skills such as Chill Res also make for solid B slot options by increasing the damage dealt by both her and her allies to the affected target.

  • One can also choose to take the standard Desperation approach in order to avoid taking counterattacks when under 75% HP. While this does pair well with her weapon’s after-combat damage, it fails to capitalize on all the stat boosts that it provides.  

Passive C: Even Atk Wave / Flexible

  • Wave skills such as Even Atk Wave remain a great choice for boosting Delthea’s self-sufficiency through an automatic buff at the start of every other turn. Otherwise, the C skill can be replaced as needed to suit the team.

Sacred Seal: Darting Blow / Heavy Blade

  • The Darting Blow Sacred Seal blends well with Sturdy Impact by balancing out Delthea’s offensive stat gain on initiation with a significant boost to her Speed.

  • Heavy Blade also remains a good choice by allowing Delthea to activate her Special more frequently.

Remote Drone (Offensive Nuke)

Build by Naz
Blárblade+ A Atk/Spd Solo 3
Alternate: Swift Sparrow 2
Ardent Sacrifice
Alternate: Reposition
B Desperation 3
Alternate: Moonbow
C Even Atk Wave 3

+SPD or +ATK

SHeavy Blade 3
Alternate: Darting Blow 3

Show Explanation/Analysis

Weapon: Blárblade+

Assist: Ardent Sacrifice / Reposition

  • Thanks to her solid offensive statline, Delthea also makes good use of a traditional Blade tome set.

  • Ardent Sacrifice has great synergy with Desperation. Delthea’s lacking physical bulk makes her susceptible to getting killed in from physical counterattacks. By dropping her HP without the need to engage in combat, she can safely get into Desperation’s 75% HP threshold. Otherwise, any choice of movement skill such as Reposition will make for a suitable Assist.

Special: Glimmer / Moonbow

  • Glimmer is a great choice of Special on any Blade tome user, as it scales with the additional damage received from Hone/Fortify buffs and activities within a reasonable timeframe despite the cooldown penalty tied to Blade tomes.

  • Moonbow also makes for a suitable alternative, particularly against opponents with high Resistance.

Passive A: Atk/Spd Solo / Swift Sparrow / Life and Death / Fury

  • Atk/Spd Solo makes for a premium choice of A skill by providing a significant boost to Delthea’s offensive stats when not adjacent to any allies.

  • Similarly, Swift Sparrow provides a slightly weaker boost to Attack/Speed on initiation without losing anything else.

  • Life and Death is another great option; while it does grant Delthea a strong offensive boost, it comes at the cost of severely damaging her overall bulk. This makes her even more susceptible to getting OHKO’d by physical and magical damage alike.

  • Finally, Fury makes for yet another solid alternative by making it easier to get into Desperation range as well as increasing her overall bulk at the cost of a marginally weaker offense.

Passive B: Desperation

  • Desperation is the cornerstone of any offensive glass cannon mage build. One in the HP range, Delthea will be able to safely double her opponents without the risk of getting killed on the counterattack.

Passive C: Even Atk Wave / Flexible

  • For the C skill, Wave skills such as Delthea’s native Even Atk Wave make for a great option, as they boost her self-sufficiency by giving her an automatic stat buff at the start of every other turn.

Sacred Seal: Heavy Blade / Darting Blow

  • Heavy Blade makes for a very effective Sacred Seal by allowing Delthea to consistently accelerate the cooldown of her Specials thanks to the damage scaling property of Blade tomes.

  • Darting Blow also makes for a very effective choice and suits the purely offense playstyle perfectly by granting Delthea a significant boost to her Speed on initiation.

Reconnaissance (Vantage)

Build by Naz
Blárblade+ A Close Counter
Reposition B Vantage 3
Glimmer C Res Smoke 3
Alternate: Savage Blow 3


SBrazen Atk/Res 3
Alternate: Fierce Stance 3

Show Explanation/Analysis

Weapon: Blárblade+

Assist: Reposition

Special: Glimmer

  • Another great use of the Blade tome and a particularly effective choice for Aether Raids is the Vantage sweeper setup.

  • The choice of Special is mostly inconsequential but Glimmer will remain the strongest option thanks to the damage scaling property of Blade tomes.

Passive A: Close Counter

Passive B: Vantage

  • The main focus of this set is running Close Counter with Vantage. Upon hitting the HP threshold for Vantage, any subsequent opponents that initiate on Delthea are forced to take at least one hit before having the chance to counterattack.

  • With this combination, Delthea can potentially take out multiple opponents in the Enemy Phase completely unscathed. However, the amount of support that Delthea needs in order to take out her opponent in only one hit can vary greatly depending on who she is left in the range of. Opponents with high magical bulk can be difficult to face.

Passive C: Res Smoke / Savage Blow

  • Res Smoke is a fantastic choice of C skill with this playstyle. By reducing the magical bulk of opponents around Delthea after combat, any affected targets that initiated on her afterward will be hit even harder.

  • Savage Blow can make for a suitable alternative. Although it only works during the Player Phase, it can prove to be effective when initiating by dealing 7 damage to all enemies around the target after combat.

Sacred Seal: Brazen Atk/Res / Fierce Stance

  • For Delthea’s Sacred Seal, anything that boosts raw damage during the Enemy Phase such as Brazen Atk/Res or Fierce Stance makes for a stellar choice.

  • The most notable weakness of this build are opponents that prevent counterattacks or disable skills that change attack priority. As such, be wary of any Dazzling Staff healers, Firesweep users, or any unit equipped with the skill Hardy Breaking.


With her second iteration, Delthea comes in the form of a fallen hero freely obtainable through her Grand Hero Battle. Unsurprisingly, she retains her role as a typical offensive mage with a statline heavily favoring Attack and Speed at the cost of overall bulk. While this does make her a prime candidate for a standard Blade tome set, Delthea also makes effective use of her personal weapon. Death grants Delthea a passive +3 boost to her Resistance as well as a +4 boost to all of her stats during combat at the cost of 4 damage taken after combat, allowing for powerful stat stacking combinations.

Although Fallen Delthea doesn’t explode upon taking any damage like her regular self, she is still relatively frail. With a base value of 60, Delthea is highly reliant on Desperation or a significant boost from skills such as Sturdy Impact in order to avoid taking significant damage if not getting taken out in one hit by Distant Counter units.

Overall, Delthea makes for a strong offensive mage thanks to her solid statline and unique tome and is a fantastic choice to invest in among free units.


Strong Offensive Statline

With 36 Attack and 33 Speed at base, Fallen Delthea is proficient both dealing significant damage to her opponent and performing follow-up attacks.


By granting +4 to all of her stats during combat, Death increases Delthea’s offensive power as well as her survivability. The 4 damage taken after combat can also synergize well with skills such as Desperation.

Good Magical Bulk

With her unique weapon equipped, Delthea totals in at 35 Resistance and 76 magical bulk during combat, making her a solid wall against magical attacks.


Bad Physical Bulk

With only 60 physical bulk at base, Delthea is forced to take countermeasures in order to survive more than one round of combat.

Weapon Skills

Weapons SP Rng. Mt.
Blue Tome Users Only
50 2 4
Blue Tome Users Only
100 2 6
Blue Tome Users Only
200 2 9
DeathGrants Res+3. Grants Atk/Spd/Def/Res+4 during combat. After combat, if unit attacked, deals 4 damage to unit.
Learns by default at 5 ★
Unlocks at 5 ★
400 2 14
Weapon Evolution
Weapon Upgrades
Weapon Upgrades

Special Skills

Special Skills SP Turns
Chilling WindBoosts damage dealt by 50% of unit's Res.
Learns by default at 4 ★
Unlocks at 3 ★
Non-inheritable by Staff-wielding units.
100 4
GlaciesBoosts damage dealt by 80% of unit's Res.
Unlocks at 4 ★
Non-inheritable by Staff-wielding units.
200 4

Passive Skills

Passive Skills SP Slot
Death Blow 1Grants Atk+2 if unit initiates combat.
Non-inheritable by Staff-wielding units.
Death Blow 2Grants Atk+4 if unit initiates combat.
Non-inheritable by Staff-wielding units.
Unlocks at 4 ★
Death Blow 3Grants Atk+6 if unit initiates combat.
Non-inheritable by Staff-wielding units.
Unlocks at 5 ★
Even Atk Wave 1At 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.)
Inheritable by all units.
Even Atk Wave 2At 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.)
Inheritable by all units.
Unlocks at 2 ★
Even Atk Wave 3At 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.)
Inheritable by all units.
Unlocks at 4 ★

Other Info

Fire Emblem Echoes

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