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Cu Chulainn (Caster)

FGO Cu Chulainn (Caster), Pros and Cons, Rating, Strategies and Tips, Stats, Skills, Wiki, and Noble Phantasm.
[US] Fate Grand Order
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update 02/10/2017

Overview

Cu Chulainn

RarityCostClass
3★7Lancer
Lancer
Rating--/10

[JP]
Casters are notorious for having low damage compared to other classes, and Cu is no exception. However, Cu is unique in that he holds a specific niche for his class, and that is being the most survivable Caster ingame. Cu exchanges offense for unmatched survivability, which gives him some good value.

[NA]
Cu doesn’t particularly rely on an upgrade to perform well, so even in the NA server he’s already reliable enough to live long.

Pros

  • Most survivable Caster ingame.
  • 3A deck makes him more splashable compared to his Lancer counterparts.
  • Rare 5 turn CD NP charge skill (JP).
  • Can counter against debuffs.

Cons

  • Low damage due to lack of offensive buffs and Caster multiplier.
  • NP secondary effects are leave more to be desired.
  • Being story-locked makes him a little harder to NP5 compared to others.

Strategies & Tips

Caster Cu is a survivalist, which means he’s meant to deal damage as he survives. Unfortunately, he deals very little, but due to his 3Arts he’s at least easier to deploy in a team compared to his Lancer counterparts. He can be put in any team and he’ll survive and charge NP by himself, making him a good option if one wants to reduce the load from sustaining your team to sustaining only two units. Cu does well against facing Assassin enemies who keep on dealing crits and debuffing, and he’s also a good Caster to face against Berserkers as he can tank considerably against them.

Noble Phantasm

Cu’s NP deals low damage due to being a Caster. It also inflicts a 10-30% def down on all enemies, and a 10-turn Burn status that deals 300-1500 damage per turn.
The def down is rather small, making it irrelevant for the most part, and while Cu can spam his NP rather decently, the fact that Burn is unstackable leaves more to be desired when using it.

Best Servants to Work with

ServantExplanation
Hans Christian Andersen
Andersen
Hans is able to increase Cu’s damage through his atk up, and in the case that crit stars stray towards Cu, Hans can also increase his crit damage.
Zhuge Liang
Zhuge Liang
Provides offensive and defensive buffs through his skills and NP, as well as charging the party’s NP gauge, which keeps Cu’s NP in constant use.
William Shakespeare
William Shakespeare
Shakespeare is able to buff Cu’s Busters, which would increase his damage when he uses his NP. Shakespeare also gets a skill upgrade that lets him charge an ally’s NP gauge, which would aid Cu’s consistency in using his NP.
Tawara Touda
Tawara Touda [JP]
Tawara is a survivalist Archer, which lets him stand together with Cu in taking hits and dealing damage over time. He also has 2 Arts, which would let them do Arts chains to charge their NPs better, and he also has 2 Busters, which can increase the overall damage they both do.
Merlin
Merlin [JP]
Merlin is able to buff Cu’s damage through an attack up and Buster up, and also provides more survival. He is also able to passively charge his NP, which lets Cu have incredibly increased access to his NP, with also a great increase in damage.

Best CEs

Increase in NP damage

Due to being his best offensive tool, one would be able to get more damage out of Cu by boosting his NP damage.

Gain NP per turn

Due to having a NP charge skill with a short CD, Cu would be able to use his NP consistently with a CE like this. Assuming he has Prisma Cosmos on, Cu would be able to get 70% NP gauge every 5 turns by just sitting there.

Max Bond Level CE

CEExplanation
Yggdrasil Tree
Yggdrasil Tree
When equipped to Cu Chulainn (Caster) only, increase your NP Strength by 30% & 30% Chance to restore your HP by 500 each time you attack

Stats

LvlHPATK
Base1,7281,222
305,5393,815
709,6046,580
9011,8608,128
10013,0228,905

Hidden Stats

NP Charge (ATK)1.6%
NP Charge (DEF)3%
C. Star Gather Rate49
C. Star Drop Rate10.9%
Death Resist42%
Alignment Lawful ・ Neutral
AttributeSky
TraitsBrynhildr's Beloved, Male, Divine, Humanoid, Servant, Weak to Enuma Elish

Noble Phantasm

Wicker Man (Rank B)

Deal damage to all enemies
[Overcharge] Decrease DEF for all enemies (3 turns)
[Overcharge] Inflict Burn to all enemies (10 turns)

RankB
ClassificationAnti-Army
TypeBuster
Hit-Count1
LvlDamage +ChargeDefense -Burn Damage
1300%100%10%300
2400%200%15%600
3450%300%20%900
4475%400%25%1200
5500%500%30%1500

Skills

Upgrade Priority

Skill Priority: 2/1/3

  • Primordial Rune A
    Due to having low crit weight as a Caster, the crit damage up is negligible at best. However, the debuff resistance is rather useful, as it gives 50% resistance, giving Cu good defense against debuffs. The best part of the skill is the NP charge, as NP charge skills with 5 turn CD is particularly rare. The short CD means you can keep Cu constantly defending against debuffs, while also giving him consistency in his NP usage.

  • Protection from Arrows A
    A hit-based dodge is one of the best survival skills in the game due to it being able to give instant immunity to most attacks while also having potential to be looped because of its short CD. And in the case he gets focus-fired within 3 turns, the def up can let him take hits until he recharges the skill.
    Paired with his first skill, this lets Cu constantly keep himself untouched by both hits and debuffs, while also firing off his NP when needed.

  • Disengage C
    This skill is mostly an insurance skill, incase Cu gets debuffed or damage. The HP heal is meager at a max of 1500HP, but as Cu rarely needs heals it’s not as much of a problem.

Rune Magic A

Available from the start
Increase your Critical Strength (3 turns) & Debuff Resist (3 turns)

LvlCrit Damage +Debuff Res +Cooldown
120%20%7
223%23%
326%26%
429%29%
532%32%
635%35%6
738%38%
841%41%
944%44%
1050%50%5

Primeval Rune

Available after the Strengthening Quest replacing Rune Magic A

Increase your C. Strength (3 turns) & Debuff Resist (3 turns) & NP Gauge

LvlCrit Damage +Debuff Res +NP Charge +Cooldown
120%20%20%7
223%23%21%
326%26%22%
429%29%23%
532%32%24%
635%35%25%6
738%38%26%
841%41%27%
944%44%28%
1050%50%30%5

Protection from Arrows A

Unlocks after 1st Ascension
Apply Evade for yourself (3 times)
Increase your DEF (3 turns)

LvlDEF +Cooldown
19%7
29.9%
310.8%
411.7%
512.6%
613.5%6
714.4%
815.3%
916.2%
1018%5

Disengage C

Unlocks after 3rd Ascension
Remove Debuffs for yourself
Restore your HP

LvlHeal +Cooldown
15007
2600
3700
4800
5900
610006
71100
81200
91300
1015005

Class Skills

Territory Creation BTerritory Creation B
Increase your Arts Card effectiveness by 8%
Divinity BDivinity B
Apply Damage Plus for yourself 175

Command Cards

QuickArtsArtsArtsBuster
CardQuick
Quick
Arts
Arts
Buster
Buster
Extra
Extra
Hit-Count2113

With his NP charge skill in mind, a QAAAB deck gives Cu the power to constantly use his NP, and lets him increase Arts chains with allies, making him not too much of a burden as a 3rd member in a party.

Bond Level

LvlExp RequiredTotal Exp
13,0003,000
26,1259,125
36,12515,250
46,12521,375
56,12527,500
6242,500270,000
7250,000520,000
8260,000780,000
9270,0001,050,000
10315,0001,365,000

Skill Enhancement Materials

LvlQP CostMaterials
1 → 250,000Gem of Casterx4
2 → 3100,000Gem of Casterx8
3 → 4300,000Magic Gem of Casterx4
4 → 5400,000Magic Gem of Casterx8
Forbidden Pagex4
5 → 61,000,000Secret Gem of Casterx4
Forbidden Pagex7
6 → 71,250,000Secret Gem of Casterx8
Seed of Yggdrasilx4
7 → 82,500,000Phoenix Featherx4
Seed of Yggdrasilx8
8 → 93,000,000Phoenix Featherx10
Eternal Gearx16
9 → 105,000,000Crystallized Lore​x1

Ascension Materials

AscensionQP CostMaterials
1st30,000Caster Piecex4
2nd100,000Caster Piecex8
Seed of Yggdrasilx6
3rd300,000Caster Monumentx4
Claw of Chaosx2
Forbidden Pagex7
4th900,000Caster Monumentx8
Claw of Chaosx4
Eternal Gearx8

Other Servants

Comments

Anonymous
It is a great guide; however, it have a slight error that I would like to point out. The data for Cu Chulainn (Caster)'s Noble Phantasm shows the data for Gae Bolg, which is the incorrect NP for this version. It is suppose show the data for the NP, Wicker Man. I would be grateful if this is fixed.
<< Anonymous
GameA1 Reply
Thanks! This page has been fixed!
Anonymous
wrong cu
<< Anonymous
GameA1 Reply
Thanks, fixed!

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