Scáthach-Skadi (Ruler)

This is a beginner-friendly guide to Scáthach-Skadi (Ruler) in Fate/Grand Order (English). It breaks down what makes Scáthach-Skadi (Ruler) strong, her basic stats, skills, and Noble Phantasm, plus the Ascension and skill-up materials you'll need to raise them.

Scáthach-Skadi (Ruler)'s Basic Information

Name	Scáthach-Skadi (Ruler)
Class	★5 Ruler
Obtain	Available only in Limited-Time Pickup Summons

Scáthach-Skadi (Ruler)'s Strengths

One of the Best Quick Supports

Summer Scathach-Skadi has a powerful Quick effectiveness buff and a 50% targetable NP battery, which greatly boosts a Quick Attacker's damage and enables them to perform Noble Phantasm loops.

Comparison with Regular Skadi

	Summer Skadi	Regular Skadi
Card Buffs	Quick Effectiveness 65% Buster Effectiveness 15%	Quick Effectiveness 50%
ATK Modifiers	Teamwide ATK Increase 20%	30% Enemy DEF Decrease
Critical Utility	Buster Critical Strength Increase 100% Buster C. Star Gather Rate	Quick Critical Strength Increase 100% AoE Enemy Critical Rate Down
Critical Stars	Instantly gains 15 Stars Gains 15 Stars per turn	None
Noble Phantasm	AoE Damage NP Special Attack against Lawful enemies Enemy Charge Decrease	Teamwide ATK Increase 20% (NP5: 30%) Teamwide Critical Strength Increase 50% (NP5: 100%) Teamwide Evade (1 time) Teamwide Instant Death Immunity Teamwide Damage Cut 500 (OC5: 1500)

Not Entirely Meta-Breaking for Quick Looping

While Summer Skadi has stronger Quick buffs and a teamwide ATK buff, she is considered a side-grade to the original Skadi. Despite her introduction, Quick looping is still mechanically weaker compared to Arts and Buster looping.

Amazing at Critical Support

Summer Skadi's ability to generate Stars and buff the Critical performance of a target Servant's Buster cards makes her an amazing Critical support. When paired with an AoE Quick NP to generate even more Stars, Attackers can deal massive Buster Critical damage with her buffs.

Critical Support Has Low Synergy with Quick-Centric Attackers

Since her Critical buffs only apply to Buster cards, they have poor synergy with Attackers who have a triple-Quick deck. To make full use of her Critical support, pair her with Attackers who have at least two Buster cards, or use Servants with Card Shuffling/Locking skills to guarantee Buster cards are available.

Can Be Deployed as a Looping Attacker

Since Summer Skadi's Noble Phantasm (NP) is a Quick AoE attack, she can function as the main looping attacker herself. With the help of a support Summer Skadi and your own regular Skadi, you can form a "Triple Skadi" team composition capable of 3-turn looping, even against Berserker nodes which have low NP refund rates.

Extra Damage Against Lawful Enemies and on "Near Water" Fields

Summer Skadi's NP deals extra Special Attack damage to Lawful enemies, a common alignment for many Servants and bosses. Additionally, her NP Strength is buffed on "Near Water" battlefields, giving her multiple ways to increase her damage output.

Lacks Defensive Utilities for Long-Term Survival

While Summer Skadi's Ruler class grants her defensive advantages against most standard classes, she possesses no defensive skills. Unlike the original Skadi, who has a teamwide Evade on her NP, Summer Skadi completely lacks any form of survivability or defensive utility.

Tip!	For Quick teams, defensive buffs are not always a priority due to their fast, critical-hit-focused playstyle. However, if you intend to use a Quick team for high-difficulty content, pairing Summer Skadi with the original Skadi for her defensive NP is a viable strategy.

Servants with Good Synergy

Compatible Attackers
	Summer Okita Souji (Alter) (★5) A Quick attacker ideal for NP looping. Her excellent NP efficiency allows her to use her NP three times in a row, even with a Black Grail equipped. With two Buster cards, she synergizes well with Summer Scáthach-Skadi's Buster Critical Strength buff.
	Sen-no-Rikyu (★5) She can support allies with a 30% NP charge, an NP Gain buff, and a Quick buff, making her a flexible choice for teams with multiple attackers. Her Anti-Human trait damage allows her to inflict high damage, and a looping setup enables three consecutive NPs.
	Minamoto-no-Raikou/Ushi Gozen (★5) Her 50% NP charge makes it easy to activate her NP, while her Buster/Quick and ATK buffs provide an efficient damage boost. She also offers Star and critical support, making it easier to land critical hits. Note that her NP looping setup can be difficult to enable.
	Britomart (★5) An excellent Quick attacker for NP looping who also excels at dealing critical damage. With two Buster and two Quick cards, she benefits greatly from Skadi's Buster/Quick buffs and Buster Critical Strength up.
	Takasugi Shinsaku (★5) Another strong Quick attacker for NP looping. He is also a powerful critical damage dealer, and his two Buster and two Quick cards pair well with Skadi's Buster/Quick buffs and Buster Critical Strength up.
	Taigong Wang (★5) He provides a 30% NP charge for himself and a 20% charge for the party. He can also support the team's damage with party-wide ATK, Quick, and NP Strength buffs. While his NP gain isn't the highest, his access to multiple NP charge skills allows him to farm with a looping setup.
	Lancelot (Berserker) (★4) A Berserker who can generate a large number of Critical Stars with his NP. With a triple-Buster deck, he can deal high damage with Skadi's support. He is also capable of NP looping, making it easy to finish off enemies that survive his NP.
Compatible Supporters
	Summer Scáthach-Skadi (★5) The standard approach is to support a Quick attacker with double Summer Scáthach-Skadi to push their performance even further.
	Scáthach-Skadi (★5) While Summer Scáthach-Skadi is generally a direct upgrade, the original Skadi is a better choice for supporting critical-focused attackers with multiple Quick cards.
	Altria Caster (★5) Her NP grants Anti-Enforcement Defense, protecting the entire party. Her 50% NP charge and NP Gain buff are also excellent, making her highly recommended for difficult quests.
	Zhuge Liang (Lord El-Melloi II) (★5) He provides up to 50% NP charge and an ATK buff. He also offers a Critical Strength buff, which synergizes well with Summer Skadi's Critical Star generation.
	Miss Crane (★5) A support who performs an Order Change via her NP. She provides a wide array of buffs including ATK up, NP Strength up, NP charge, Critical Star generation, Star Gather Rate up, and Critical Strength up, making her a versatile partner for any attacker.

Scáthach-Skadi (Ruler)'s Skills & Noble Phantasm

Skills & Noble Phantasm

Class	★5 Ruler
Cards
Obtain	Available only in Limited-Time Pickup Summons
HP / ATK	14850 / 10868（Lv Max）
Skill 1	Primordial Rune (Midsummer) A【CT：8~6】 Increase one ally's Quick Card effectiveness (3T) [Lv] Increase Buster Card Critical Strength (3T) [Lv]
Skill 2	Midsummer Frozen Treat C【CT：9~7】 Increase ATK for all allies (3T) [Lv] Increase Quick Card effectiveness for all allies (3T) [Lv] Increase Buster Card effectiveness for all allies (3T) [Lv] Gain C. Stars each turn for yourself (3T) [Lv]
Skill 3	Fanciful Summer Nights A+【CT：9~7】 Increase NP Gauge of one ally [Lv] Increase Buster Card C. Star Gather Rate of one ally (1T) [Lv] Gain C. Stars [Lv]
Noble Phantasm	「Gate of Ægir」 Increase own NP Strength only on a Field with [Near Water] (1 turn) [OC] Deal heavy Special Attack [Lawful] damage to all enemies [Lv] [OC] Decrease their Charge
VA	Mamiko Noto
Illustrator	Koyama Hirokazu

Append Skill

Extra Attack Boost	Increase Extra Attack Card's effectiveness by 30~50% for yourself
Load Magical Energy	Begin battle with NP charged at 10~20% for yourself
Anti-Caster (ATK Up)	Increase own ATK against Caster class by 20-30%

Card Performance

Alignment & Traits / Class Skills

Alignment & Traits
Alignment	Chaotic / Summer / Heaven
Traits	Female / Divine / King / Summer Mode
Class Skill
Magic Resistance EX	Increase Debuff Resist
Territory Creation A	Increase Arts Card effectiveness by 10%
Core of the Goddess A	Apply Damage Plus 250 Increase Debuff Resist

Recommended Skill Leveling by Priority

Skill 1	Priority: ★★★ It boosts the multiplier of the single-target high-multiplier Quick Up + Buster Critical Strength up buff. Since it greatly boosts damage, level it up alongside the other skills.
Skill 2	Priority: ★★☆ You can boost the multipliers of ATK Up and Buster/Quick Up for all allies, and also the multiplier of star gain each turn. It makes dealing damage easier and criticals easier, so level it up.
Skill 3	Priority: ★★★ At Lv10 it grants NP 50%, making activating the NP easier. In addition to star gain, you can also boost the Buster star concentration multiplier, making criticals easier to use. You'll want to level it first, but since all skills are important, aim for Lv10 on all of them.

Ascension & Skill Enhancement Materials

Ascension Materials

Stage 1	Saber Piece x5 Caster Piece x5 Berserker Piece x5
Stage 2	Archer Piece x5 Lancer Piece x5 Rider Piece x5 Assassin Piece x5
Stage 3	Saber Monument x5 Caster Monument x5 Berserker Monument x5
Final Ascension	Archer Monument x5 Lancer Monument x5 Rider Monument x5 Assassin Monument x5
Total	All Classes x5 x4,400,000 QP

Skill Enhancement Materials

Lv1	Gem of Saber x5 Gem of Caster x5 Gem of Berserker x5
Lv2	Gem of Archer x5 Gem of Lancer x5 Gem of Rider x5 Gem of Assassin x5
Lv3	Magic Gem of Saber x5 Magic Gem of Caster x5 Magic Gem of Berserker x5
Lv4	Magic Gem of Archer x5 Magic Gem of Lancer x5 Magic Gem of Rider x5 Magic Gem of Assassin x5
Lv5	Secret Gem of Saber x5 Secret Gem of Caster x5 Secret Gem of Berserker x5
Lv6	Secret Gem of Archer x5 Secret Gem of Lancer x5 Secret Gem of Rider x5 Secret Gem of Assassin x5
Lv7	Shell of Reminiscence x12
Lv8	Egg of Truth x15
Lv9	Crystallized Lore x1
Total	All Classes x5 x12 x15 x1 x54,400,000 QP

Append Skill Enhancement Materials

Lv1	Gem of Saber x5 Gem of Caster x5 Gem of Berserker x5
Lv2	Gem of Archer x5 Gem of Lancer x5 Gem of Rider x5 Gem of Assassin x5
Lv3	Magic Gem of Saber x5 Magic Gem of Caster x5 Magic Gem of Berserker x5
Lv4	Magic Gem of Archer x5 Magic Gem of Lancer x5 Magic Gem of Rider x5 Magic Gem of Assassin x5
Lv5	Secret Gem of Saber x5 Secret Gem of Caster x5 Secret Gem of Berserker x5
Lv6	Secret Gem of Archer x5 Secret Gem of Lancer x5 Secret Gem of Rider x5 Secret Gem of Assassin x5
Lv7	Eternal Ice x12
Lv8	Tsukumo Mirror x15
Lv9	Crystallized Lore x1
Total	All Classes x5 x12 x15 x1 x54,400,000 QP

Illustrator / Voice Actor & Final Ascension Art

Illustrator / Voice Actor

Parameters

Ascension Art (Final Ascension Spoiler Warning)

We have included images up to Final Ascension. Because they contain spoilers, please proceed with caution.

Default

1st Ascension

2nd-3rd Ascension

Final Ascension

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