Mythic Hero Battle: Gullveig & Kvasir Abyssal Guide and Recommended Team

This is a guide to clearing the Infernal and Abyssal maps for Mythic Hero Battle - Gullveig & Kvasir in Fire Emblem Heroes (FEH). To see strategy for defeating Mythic Hero Battle - Gullveig & Kvasir, enemy information, as well as the best units and party to use, read on!

Boss Unit for This Mythic Hero Battle
Gullveig [9.5/10] Kvasir [9.0/10]

Mythic Hero Battle: Gullveig & Kvasir Strategy Overview

Featured Hero	Gullveig Kvasir
First Clear Reward	Abyssal: Gold Dire Notebook Infernal: x4 Lunatic: ×3 Hard: ×2 Normal: x1 x1
Recommended Level	Lv.40
Difficulty	Abyssal Infernal Lunatic Hard
Conditions	Condition 1: All units must survive Condition 2: Cannot use Light's Blessing
Dates Active	11/29/2023 -12/12/2023

Unit Placement

Abyssal	Infernal

Abyssal Enemy Information

A Gullveig		HP 77		Atk 71		Spd 60		Def 37		Res 26
		： Quietus Gullveig ：- ： Time is Light					： Flared Sparrow ： Occultist's Strike ： Def/Res Smoke 3 ： Hardy Bearing 3 ：-
B Kvasir		HP 80		Atk 72		Spd 59		Def 24		Res 35
		： Incipit Kvasir ：- ： Light is Time					： Atk/Spd Catch 4 ： Lull Spd/Res 4 ： Incite Atk/Spd ： Chill Res 3 ：-
C Thief		HP 77		Atk 50		Spd 49		Def 20		Res 41
		： Quick Dagger+ ：- ： Lethality					： Remote Sparrow ： Lull Spd/Def 3 ： Time's Pulse 3 ： Null Follow-Up 3 ：-
D Troubadour		HP 65		Atk 57		Spd 26		Def 19		Res 56
		： Incurable+ ： Restore+ ： Earthwater Balm+					： Still Water 4 ： S/R Far Trace 3 ： Ward Cavalry ： Atk Ploy 3 ：-
E Axe Knight		HP 99		Atk 62		Spd 19		Def 51		Res 27
		： Barrier Axe+ ：- ： Bonfire					： Distant Ward ： Wily Fighter 3 ： D/R Far Save 3 ： Bold Fighter 3 ：-
F Lance Cavalier		HP 80		Atk 55		Spd 29		Def 33		Res 35
		： Ridersbane+ ：- ： Glimmer					： Atk/Spd Clash 4 ： Swordbreaker 3 ： Panic Ploy 3 ： Deflect Melee 3 ：-

Abyssal Reinforcements

Infernal Enemy Information

A Gullveig		HP 60		Atk 63		Spd 52		Def 30		Res 20
		： Quietus Gullveig ：- ： Time is Light					： Flared Sparrow ： Occultist's Strike ： Def/Res Smoke 3 ：- ：-
B Kvasir		HP 64		Atk 63		Spd 51		Def 18		Res 29
		： Incipit Kvasir ：- ： Light is Time					： Atk/Spd Catch 4 ： Lull Spd/Res 4 ： Incite Atk/Spd ：- ：-
C Thief		HP 56		Atk 47		Spd 45		Def 18		Res 37
		： Quick Dagger+ ：- ： Lethality					： Remote Sparrow ： Lull Spd/Def 3 ： Time's Pulse 3 ：- ：-
D Troubadour		HP 41		Atk 54		Spd 23		Def 17		Res 52
		： Incurable+ ： Restore+ ： Earthwater Balm+					： Still Water 4 ： S/R Far Trace 3 ： Ward Cavalry ：- ：-
E Axe Knight		HP 81		Atk 58		Spd 17		Def 47		Res 25
		： Barrier Axe+ ：- ： Bonfire					： Distant Ward ： Wily Fighter 3 ： D/R Far Save 3 ：- ：-
F Lance Cavalier		HP 60		Atk 51		Spd 27		Def 31		Res 33
		： Ridersbane+ ：- ： Glimmer					： Atk/Spd Clash 4 ： Swordbreaker 3 ： Panic Ploy 3 ：- ：-

Infernal Reinforcements

Damage Calculator Tool

Mythic Hero Battle: Gullveig & Kvasir Strategy

Use a Player Phase strategy with Galeforce and repeated actions

Due to Gullveig's and Kvasir's excellent offensive combat potential, utilizing a player phase strategy is the best option for this map.

Set up you team with a unit that can defeat the Axe Knight in one round of combat, a refresher unit that can reach this unit, and two units that can generate additional actions for themselves.

Equip the initiator unit with recoil skills like Fury 4, Atk/Spd Push 4, and the Fury 3 Sacred Seal. The goal here is for the initiator unit to defeat two enemies and bring his/her HP down to the HP threshold to activate Wings of Mercy on his/her allies.

The clean-up units should have Wings of Mercy 3 or Wings of Mercy 4, and skills that generate additional actions for themselves. This can be achieved through either Galeforce, Duo Skills, or even your own Gullveig if you have one.

To begin, the Axe Knight has D/R Far Save 3, protecting his nearby allies from ranged attacks. He should be the priority target to defeat when you initiate your attack. Upon defeating the Axe Knight, use your refresher unit to grant the initiator an extra action, and have the initiator unit defeat another foe, ideally Gullveig if you can.

The initiator unit's HP should have been reduced enough to activate Wings of Mercy on his/her allies if you set them up properly. Having both Fury 4 and the Fury 3 Sacred Seal reduces their HP by 14 after every combat, and 28 after the second combat.

Have the clean-up units warp in and defeat the remaining foes, utilizing their methods to generate additional actions in order to clear the map before the reinforcements even arrive.

If you cannot defeat all the enemies in one turn, defeating both Gullveig and Kvasir is necessary in order to not lose a unit on enemy phase. On the second turn, you can defeat enemies in range while kiting to avoid the other enemies. Continue with this strategy until the map is complete.

Alternatively, use Savior units to tank the enemies

An enemy phase tanking strategy is possible in this map, but requires significant investment and a proper team composition in order to survive the offensive onslaught that both Gullveig and Kvasir can bring forward.

Gullveig can attack up to three times in one turn, utilizing her massive 70% damage reduction to survive combat. Kvasir can either refresh an ally's turn, or allow allies up to 4 spaces away to warp to tiles adjacent to herself. Both of these options are difficult to deal with and require different counters.

In order to pull off an enemy phase tanking strategy, we recommend having a Near Save unit, a Far Save unit, a healer, and an offensive unit that can generate additional actions for themselves.

The Far Save unit should have multiple sources of damage reduction, both from their own kits and ideally from the healer as well. The Far Save unit will take the brunt of the damage, which is why damage reduction is necessary. You can forego Guard effects, as both Gullveig and Kvasir can neutralize this effect.

The Near Save unit has to be physically bulky, as most of the melee enemies on this map deal physical damage.

The Healer ideally can provide damage reduction to your tanks. If this isn't possible, equip them with the Distant Guard 3 Sacred Seal and a similar effect on their C skill.

The offensive unit must be able to defeat both Gullveig and Kvasir in one round of combat while generating an extra action in order to retreat back to the safety of the Savior Ball. This unit will be your way of defeating the most dangerous enemies on this map, allowing the tanks to survive throughout multiple turns.

To begin, bait the enemies in by placing your units on the danger area, but not too far where Gullveig can reach them. The enemies will approach and attack, but since both Gullveig and Kvasir haven't attacked, your tank units should survive.

On the next player phase, if you can defeat either Gullveig or Kvasir and remain on, or return to the Savior Ball, do so. If you cannot reach them, defeat ranged foes first in order to help out your Far Save tank.

Be careful against the Cleric reinforcement on turn two, as she carries Flash+ which can neuter your tank units and turn them into sitting ducks for Gullveig or Kvasir to defeat with ease.

A good team composition for this map includes Brave Corrin (F) for your Far Save tank, Halloween Flayn for the healer, and a Duo unit like Ninja Sanaki for the offensive role.

Brave Corrin (F) has multiple sources of damage reduction on her kit and is fast enough to avoid follow-up attacks from most foes on this map. Halloween Flayn provides additional damage reduction for your tanks, and Ninja Sanaki can defeat enemies in one round of attacks while granting herself an extra action with her Duo Skill.

If you have your own copy of Gullveig, she excels at the offensive unit role here, as she can defeat up to three enemies in one turn through her additional actions.

Recommended Units for Mythic Hero Battle: Gullveig & Kvasir

Player Phase Units With Multiple Actions

Unit Name
Summer Edelgard	Sword Armored Regal Sunshade's brave effect can quickly eliminate enemies. Raging Storm can grant one additional action after combat. Inheriting Galeforce can grant a third action per turn.
Legendary Edelgard	Axe Armored Raging Storm can grant one additional action after combat. Inheriting Galeforce can grant a third action per turn.
Ninja Sanaki	Red Tome Cavalry Radiant Scrolls' brave effect can quickly defeat enemies. Duo Skill grants herself an additional action.
Ninja Corrin (F)	Green Tome Cavalry Ninjutsu Scrolls' brave effect can quickly defeat enemies. Duo Skill grants herself an additional action.
Ninja Laegjarn	Blue Bow Flying Flamefrost Bow's brave effect can quickly defeat enemies. Duo Skill grants herself an additional action.
Ninja Lyn	Colorless Dagger Flying Tailwind Shuriken's brave effect can quickly defeat enemies. Duo Skill grants herself an additional action.
Fallen Chrom	Sword Cavalry Arcane Devourer has Special acceleration, allowing an easy Galeforce trigger. Fate Unchanged... allows a Reposition effect while inflicting 【Exposure】onto multiple foes.
Brave Chrom	Lance Cavalry Geirdriful grants bonus stats and Special cooldown charges in combat. A Fate Changed! allows a Reposition effect while granting Brave Chrom an extra action and copies ally's bonuses, granting them to himself.
Legendary Leif	Colorless Bow Cavalry Meisterbogen's brave effect can quickly defeat enemies. Njörun's Zeal II grants himself an additional action when triggered.
Gullveig	Colorless Tome Cavalry Quietus Gullveig and Time is Light grant herself additional actions after combat. Flared Sparrow leaves behind 【Divine Vein (Flame)】 terrain, softening up enemies for future engagements.

Savior Tank Units

Summer Edelgard	Sword Armored Regal Sunshade's brave effect can quickly eliminate enemies. Using a defensive build allows her to tank multiple enemies in this map.
Brave Corrin (F)	Colorless Breath Armored Multiple damage reduction effects and the 【Divine Vein (Stone)】 effect paired with high Spd allow her to survive multiple engagements.
Brave Hector	Lance Armored The king of blue tank units. Can counterattack at a distance, deny enemy follow-ups, and has his own follow-up attack.
Ascended Idunn	Blue Breath Armored Guaranteed follow-up attack. Weapon is comparable to Brave Hector's refined Maltet. Can neutralize penalties inflicted on her.
Brave Edelgard	Axe Armored High mobility for an armored unit. Incredibly sturdy with refined Flower Hauteclere and Black Eagle Rule granting multiple defensive effects.
Caineghis	Colorless Beast Armored Refined Lion King Fang grants multiple defensive effects and guaranteed follow-up attacks on both phases. Nullifies buffs from ranged units.

Support Units

Unit Name
Elimine	Staff Flying Grants damage reduction, healing, and can shut down "At start of turn" effects of foes in cardinal directions upon winning a Res check.
Halloween Flayn	Staff Cavalry Kitty-Cat Parasol grants Special cooldown charges, 30% damage reduction, and "neutralizes foe's bonuses to Atk" to nearby allies and can double as an offensive unit with high Atk and a guaranteed follow-up attack.
Flayn	Staff Flying Grants damage reduction and healing.
Brave Lucina	Lance Infantry Grants bonus stats and Special acceleration to nearby allies. Can double as an offensive unit with refined Geirskögul
Corrin (M)	Sword Infantry Grants bonus stats to his Ally Support during combat.
Summer Hilda	Staff Flying Grants Atk+6 and Special acceleration to nearby allies during combat.

Refresher Units

Unit Name
New Year Peony	Green Tome Flying Grants additional Atk to allies in similar cardinal directions. Can use her Duo Skill to grant another action to an adjacent ally.
Peony	Blue Tome Flying Grants additional Atk and Spd to allies in similar cardinal directions.
Legendary Azura	Blue Tome Flying Grants additional bonuses equal to highest bonus on unit and +1 movement.
Hatari Azura	Green Tome Cavalry Grants +6 to all stats and +1 movement to target unit and all adjacent allies. Can use Harmonized Skill to grant extra actions to allies.

List of Refresher-Assist Units

Mythic Hero Battle: Gullveig & Kvasir Abyssal Strategy Example

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Hræsvelgr: Quieting Blade	Heiðrún and Eikþyrnir
Loki: Trickster God	Emblem Marth and Mythic Lumera
Gullveig and Kvasir	Veyle: Gentle Dragon
Freyr: Dream-King	Nerþuz: God of the Land
Fomortiis and Gotoh	Veronica and Embla
Arval: Cycle Keeper	Askr: God of Openness
Medeus: Earth-Dragon King	Elimine: Scouring Saint
Thórr and Eitri	Ótr: Kingsbrother
Ullr: The Bowmaster	Ashera: Order Goddess
Dagr: Sun's Radiance	Seiros: Saint of Legend
Freyja and Triandra	Plumeria: Lewd Dream
Hel: Death Sovereign	Mila: Goddess of Love
Bramimond: the Enigma	Líf: Lethal Swordsman
Thrasir: Omnicidal Witch	Altina: Dawn's Trueblade
Sothis: Girl on the Throne	Naga: Dragon Divinity
Yune: Chaos Goddess	Duma: God of Strength