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Irisviel (Dress of Heaven)

FGO Irisviel (Dress of Heaven), Pros and Cons, Rating, Strategies and Tips, Stats, Skills, Wiki, and Noble Phantasm.
[US] Fate Grand Order
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update 18/07/2017

Overview

Irisviel (Dress of Heaven)

RarityCostClass
4★12Caster
Caster
Rating6.5/10

Irisviel’s defining trait is the Guts buff she grants to the whole party, which is built-in to her Noble Phantasm. Aside from these, she boasts high burst healing abilities, being able to heal up to 9000 HP to a single target at max potential. Possessing an Invincibility skill herself, it means that she will be fairly easy to keep alive.

Her biggest drawback, however, is the below-average NP gain. Her NP gain buffing skill only brings it to a normal level even when maxed, resulting in a lower healing output than what is expected of her. Her first skill, which increases healing, also has a rather long cooldown, meaning that she will have some downtime between her healing bursts.

Pros

  • High healing power
  • AoE Guts
  • Survivable

Cons

  • Low NP gain
  • No other functions except for healing and Guts
  • Long downtime

Strategies & Tips

The main problem with using Irisviel is that she needs set up for to patch her NP gain. These include help from Craft Essences (such as Prisma Cosmos), and Servants (such as Tamamo no Mae). The Guts can be used as some sort of hard defensive skill; however, she will need to heal the team afterwards, so timing is rather important to her usage.

Her Invulnerability skill should be used to protect her in crucial turns, though it is also possible to use it as a way to enhance her NP gain in order for her to keep up.

Noble Phantasm

Song of Grail heals the whole party, and grants them a Guts effect (magnitude increases with Overcharge). Irisviel’s Noble Phantasm is the most important part of her kit, defining her usage in higher-tier content. Unleashing this NP should be her top priority, especially when the Guts effect is needed.

Best Servants to Work with

ServantExplanation
Tamamo no Mae
Tamamo no Mae
Irisviel and Tamamo’s combined healing should be able to easily sustain the party through most stages. Tamamo’s cooldown reduction and NP charge also helps mitigate some of Iri’s biggest weaknesses. On the other hand, Iri’s Guts effect serves as a hard defensive option - something that Tamamo notably lacks.
Merlin
Merlin
Merlin’s powerful heals, NP gain assist, and Invincibility skill are all appreciated by Irisviel (although in this composition, his third skill is generally somewhat wasted). He allows a much faster NP cycle for Irisviel, though it is arguable whether Merlin or Tamamo has the edge in this.
Zhuge Liang
Zhuge Liang
Irisviel’s low NP gain means that she benefits greatly from Zhuge Liang’s skills. His defense buff also helps with damage mitigation, and his Noble Phantasm is able to buy more time for Iri to fill her NP gauge.

Best CEs

CEExplanation
Prisma Cosmos
Prisma Cosmos
NP Charge
Irisviel’s low base NP gain means that most other alternatives (i.e. Arts performance up and NP gain up CEs) are less effective. As such, Craft Essences with fixed NP gain per turn, such as Prisma Cosmos, is more or less her best choice to increase her performance.
Formal Craft
Formal Craft
Arts Up / NP Gain Up
While far less effective than fixed NP charging CEs, these still help her NP gain, and should be considered as an alternative to the former. Arts up is generally better in this regard, as Irisviel already possesses an NP gain buff in her second skill.
Kaleidoscope
Kaleidoscope
The Imaginary Element
The Imaginary Element
Starting NP (Kaleidoscope, Imaginary Number)
Should be used in fights where Irisviel’s Noble Phantasm should be used early on (the most notable example is the Goetia bossfight in the chapter Salomon).

Max Bond Level CE

work in progress

Stats

LvlHPATK
Base1,9961,372
Lv407,1944,777
Lv8012,4768,237

Hidden Stats

NP Charge (ATK)0.42%
NP Charge (DEF)3%
Star Weight50
Star Rate10.8%
Death Resist34.5%
AlignmentLawful, Good
AttributeSky
TraitsServant, Humanoid, Divine, Weak to Enuma Elish

Noble Phantasm

Song of Grail (Rank B)

Recovers party's HP.
[Overcharge]Grants Guts status for 3 turns to all allies.

RankB
ClassificationMagic
TypeArts
Hit-Countuff0d
LvlCrit Rate -ChargeRevives with
12000 HP100%1000 HP
22500 HP200%1500 HP
32750 HP300%2000 HP
42875 HP400%2500 HP
53000 HP500%3000 HP

Skills

Upgrade Priority

Resolution of Commitment A
Increases Irisviel’s healing power for one turn. This skill is extremely potent when used, due to Irisviel possessing two heals - one from her Noble Phantasm, and another from her third skill. This skill is usually most beneficial when used alongside her Noble Phantasm.

Infant of Nature A
Applies an Invincibility buff on Irisviel, and increases her NP gain for three turns. Though it is nice in concept, the NP gain increase (capping at 30%) is too small to make a major difference for Irisviel. As a result, this skill is mostly used for the Invincibility function.

Magic Medicine A
A standard targeted healing skill, with a 3000 HP heal and 5 turn cooldown at max level. While this skill is generally decent, it won’t really be significant unless paired with either her first skill, or her Noble Phantasm.

Priority: 1/3/2

Resolution of Commitment A

Resolution of Commitment A

Available from the start
Increase own Healing power for 1 turn.

LvlHeal Power +Cooldown
130%9
232%9
334%9
436%9
538%9
640%8
742%8
844%8
946%8
1050%7

Infant of Nature A

Infant of Nature A

Unlocks after 1st Ascension
Grants self invincibility for 1 turn.
Increases own NP generation rate for 3 turns.

LvlNP Rate +Cooldown
120%8
221%8
322%8
423%8
524%8
625%7
726%7
827%7
928%7
1030%6

Magic Medicine A

Magic Medicine A

Unlocks after 3rd Ascension
Recovers one ally's HP.

LvlHealCooldown
12000 HP7
22100 HP7
32200 HP7
42300 HP7
52400 HP7
62500 HP6
72600 HP6
82700 HP6
92800 HP6
103000 HP5

Class Skills

Territory Creation BTerritory Creation B
Increases damage of unit's Arts cards by 8%.
Goddess' Essence CGoddess' Essence C
Increases damage by 200 and resistance to debuffs by 20%.

Command Cards

QuickArtsArtsArtsBuster
CardQuick
Quick
Arts
Arts
Buster
Buster
Extra
Extra
Hit-Count3334

NP Gain

1st2nd3rd
4u691cu8a3cu4e2du691cu8a3cu4e2d
4u691cu8a3cu4e2du691cu8a3cu4e2d
4u691cu8a3cu4e2du691cu8a3cu4e2d
u691cu8a3cu4e2du691cu8a3cu4e2du691cu8a3cu4e2d
B / Qu691cu8a3cu4e2du691cu8a3cu4e2d
000

Bond Level

LvlExp RequiredTotal Exp
12,5002,500
23,7506,250
35,00011,250
46,25017,500
510,00027,500
6232,500260,000
7240,000500,000
8270,500770,500
9309,5001,080,000
10410,0001,490,000

Skill Enhancement Materials

LvlQP CostMaterials
1 → 2100,000Shining Gem of Spellsx4 (Shining Gem of Spells)
2 → 3200,000Shining Gem of Spellsx10 (Shining Gem of Spells)
3 → 4600,000Magic Gem of Spellsx4 (Magic Gem of Spells)
4 → 5800,000Magic Gem of Spellsx10 (Magic Gem of Spells)
Yggdrasil Seedx5 (Yggdrasil Seed)
5 → 62,000,000Secret Gem of Spellsx4 (Secret Gem of Spells)
Yggdrasil Seedx10 (Yggdrasil Seed)
6 → 72,500,000Secret Gem of Spellsx10 (Secret Gem of Spells)
Homunculus Babyx4 (Homunculus Baby)
7 → 85,000,000Homunculus Babyx8 (Homunculus Baby)
Phoenix Plumex4 (Phoenix Plume)
8 → 96,000,000Phoenix Plumex12 (Phoenix Plume)
Spirit Rootx8 (Spirit Root)
9 → 1010,000,000Crystallized Lore​x1 (Crystallized Lore​)

Ascension Materials

AscensionQP CostMaterials
1st50,000Crystal Ballx1 (Crystal Ball)
2nd150,000Crystal Ballx1 (Crystal Ball)
3rd500,000Crystal Ballx1 (Crystal Ball)
4th1,500,000Crystal Ballx1 (Crystal Ball)

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