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Sakuya Izayoi (Lunar War Servant)

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Ultra Fes
Lunar War Servant

Stats

Health
5000
Agility
1400
Yang ATK
1750
Yang DEF
925
Yin ATK
1450
Yin DEF
825

Races

Element Type Chart

Overcast
Expand
Overcast (a Touhou LW original) refers to the weather when the sky is entirely covered by clouds. This is the temperament of Sakuya, who blocks the sun's light as the servant of a vampire. This Sakuya's temperament was artificially augmented by science since her original temperament lost its magic.

This temperament is specialized to solely resist Moon Essence.
sun_neutral
Sun
moon_weak
Moon
fire_neutral
Fire
water_neutral
Water
wood_neutral
Wood
metal_neutral
Metal
earth_neutral
Earth
star_neutral
Star

Character Shots

Sakuya Izayoi (Lunar War Servant)'s Spread Shot. She attacks with Cold Knives that fly through the air. Cold Knives are so icy that they are practically devoid of all internal vibrations. This makes them sharper than any razor... or maybe it doesn't affect the sharpness at all. Either way, you wouldn't want to be hit by one.
All
S01 - Spinning Cold Knife
x8 Yang
All
S07 - Spinning Cold Knife
x2 Yang 1
All
S08 - Spinning Cold Knife
x2 Yang 1
All
S11 - Spinning Cold Knife
x2 Yang 2
All
S37 - Spinning Cold Knife
x2 Yin 2
All
S54 - Spinning Cold Knife
x2 Yang 3
Sakuya Izayoi (Lunar War Servant)'s Focus Shot. She throws her Cold Knives at extremely high speed. The knives travel so incredibly fast because they are supported by artificial wind magic... But how fast would they be in a vacuum?
Solo
Q02 - Quick Cold Knife
x6 Yang
Solo
Q09 - Quick Cold Knife
x2 Yang 1
Solo
Q12 - Quick Cold Knife
x2 Yang 1
Solo
Q26 - Quick Cold Knife
x2 Yin 1
Solo
Q49 - Quick Cold Knife
x2 Yang 2
Solo
Q60 - Quick Cold Knife
x1 Yang 3

Character Spell Cards

Available
Available
Limit Break 1
Limit Break 2
Limit Break 3
Sakuya Izayoi (Lunar War Servant)'s Spell Card. She performs multiple slashes with her Cold Knives in quick succession. It almost looks like she is carving out a statue. The assistance of artificial qigong is essential for this Spell Card, as both arms must be swung at a lightning-fast pace.
*Pre- and Post- effects assume max level. Effects per level can be viewed here.
Pre-Attack Spell Card Effects
Own Accuracy 2 level(s) UP (3 turns). [Additional effect +0 with success rate 0%.]
Post-Attack Spell Card Effects
Inflicts 1 layer(s) of Barrier Status: Freeze to all targets (2 turns). [Additional effect +0 with success rate 0%.]
Inflicts 1 layer(s) of Barrier Status: Freeze to target (2 turns). [Additional effect +0 with success rate 0%.]
All
C03 - Carving Cold Knife
x10 Yang
All
C10- Carving Cold Knife
x5 Yin 1
All
C16 - Carving Cold Knife
x5 Yang 1
All
C27 - Carving Cold Knife
x5 Yin 2
All
C32 - Carving Cold Knife
x5 Yang 2
All
C44 - Carving Cold Knife
x5 Yin 3
Sakuya Izayoi (Lunar War Servant)'s Spell Card. In this attack, she creates a bewildering dance of ricocheting Cold Knives. The Vampire Units' assistance is vital in order to control the trajectories of all the rebounding knives.
*Pre- and Post- effects assume max level. Effects per level can be viewed here.
Pre-Attack Spell Card Effects
Own Agility 2 level(s) UP (3 turns). [Additional effect +0 with success rate 0%.]
Post-Attack Spell Card Effects
Inflicts 1 layer(s) of Barrier Status: Freeze to all targets (2 turns). [Additional effect +0 with success rate 0%.]
Inflicts 1 layer(s) of Barrier Status: Freeze to target (2 turns). [Additional effect +0 with success rate 0%.]
All
R04 - Ricochet Cold Knife
x17 Yang
All
R15 - Ricochet Cold Knife
x3 Yang 1
All
R19 - Ricochet Cold Knife
x3 Yin 2
All
R21 - Ricochet Cold Knife
x2 Yin 2
All
R35 - Ricochet Cold Knife
x2 Yang 3
All
R42 - Ricochet Cold Knife
x2 Yang 3
Sakuya Izayoi (Lunar War Servant)'s Last Word (a Touhou LW original). Her entire knife collection is unleashed in this attack. She changes between the appropriate techniques most suitable for each different type of knife. The attack showcases how a maid must master various tools to be efficient at her job. This may be obvious, but each tool has its intended use, and they all must be handled differently.
*Pre- and Post- effects assume max level. Effects per level can be viewed here.
Pre-Attack Spell Card Effects
Own Agility 3 level(s) UP (3 turns). [Additional effect +0 with success rate 0%.]
Own Yang ATK 4 level(s) UP (2 turns). [Additional effect +0 with success rate 0%.]
Post-Attack Spell Card Effects
Inflicts 3 layer(s) of Barrier Status: Freeze to target (3 turns). [Additional effect +0 with success rate 0%.]
Solo
Maid Chef Knife
x24 Yang
Solo
Maid Fruit Knife
x4 Yang 1
Solo
Maid Butcher Knife
x4 Yang 2
Solo
Maid Gardening Knife
x3 Yang 2
Solo
Maid Climbing Knife
x3 Yang 3
Solo
Maid Combat Knife
x2 Yang 3

Character Ability

Capable of manipulating time (Sealed)
Expand
Sakuya Izayoi's sealed ability. It was most likely sealed away due to the incident, and it hasn't fully recovered since. The reason for this is still unclear and requires further investigation. Sakuya Izayoi's Specialized Military Outfit: The design and manufacture of this outfit were largely based on the work of Patchouli Knowledge's Knowledge Institute and the support unit "Koakuma." All of the specialized military outfits are equipped with barrier chaff. Cold Knives & Knife Stockers: Sakuya's main weapons that were designed with Patchouli's vast knowledge. The knives are kept at an extremely cool temperature by applying the principles of ice magic. These cold knives are devoid of all internal vibrations, which makes them especially suited for throwing. There are many variations of knives, including Patchouli's favorite paper knives and the knives Sakuya usually uses. The Knife Stockers also act as vernier thrusters to provide a significant boost to Sakuya's speed. Artificial Qigong Assistance: Equipment based on Meiling's ability that have been designed to support Sakuya's physical skills. A network on the inner layer of the outfit artificially replicates Meiling's ability to control the flow of qi within one's own body. This supports Sakuya's muscles and can even provide instantaneous bursts of strength on par with the strength she used to possess. Various Support Modules: Hobgoblin, Tupai, and Fairy_Maid are the three types of support modules. Sakuya's movements are supported by short-running programs that replicate each of these creatures' characteristics and powers. Dual Noble Vampire Units: Central systems that hover near Sakuya's head and support her thoughts. One unit replicates the mind of Remilia, the other replicates Flandre's, and they both cooperate with Sakuya's own mind to almost instantaneously provide the optimal solution to any problem. The Remilia Unit mainly provides support by foreseeing how the battle will progress, while the Flandre Unit discerns the enemies' weaknesses.
When using Boost, party's Accuracy 1 level UP (1 turn).
When using Graze, party's Agility 1 level UP (1 turn).
DMG from effective elements 25% DOWN.

Character Skills

CD 5
Own Yang ATK 3 level(s) UP (3 turns). [Additional effect +0 with success rate 0%.]
Party's Agility 2 level(s) UP (3 turns). [Additional effect +0 with success rate 0%.]
Own Spirit Power 1 UP. [Additional effect +0 with success rate 0%.]
Info
They may not look it, but they are kind, hard-working creatures. In fact, they may even be better at chores than fairies.
Skill Level 1 2 3 4 5 6 7 8 9 10
Yang Attack Level Up
Value 1 1 1 1 1 2 2 2 2 3
Rate 0 20 40 80 80 0 20 60 60 0
Add 0 1 1 1 1 0 1 1 1 0
Agility Level Up
Value 1 1 1 1 1 1 1 1 1 2
Rate 0 10 20 40 40 50 60 80 80 0
Add 0 1 1 1 1 1 1 1 1 0
Spirit Power Up
Value 0.5 0.55 0.6 0.7 0.7 0.75 0.8 0.9 0.9 1
Rate 0 0 0 0 0 0 0 0 0 0
Add 1 1 1 1 1 1 1 1 1 0
CD 7 7 7 7 6 6 6 6 5 5
CD 4
Party's Accuracy 2 level(s) UP (2 turns). [Additional effect +0 with success rate 0%.]
Own Spirit Power 0.25 UP. [Additional effect +1 with success rate 0%.]
Grants Quick to self. [Additional effect +0 with success rate 0%.]
Info
Remilia's mysterious pet that she found. It is apparently a type of mammal that only eats insects and fruit. But it looks a little odd...
Skill Level 1 2 3 4 5 6 7 8 9 10
Accuracy Level Up
Value 1 1 1 1 1 1 1 1 1 2
Rate 0 10 20 40 40 50 60 80 80 0
Add 0 1 1 1 1 1 1 1 1 0
Spirit Power Up
Value 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.25
Rate 0 0 0 0 0 0 0 0 0 0
Add 1 1 1 1 1 1 1 1 1 1
Quick
Value 1 1 1 1 1 1 1 1 1 1
Rate 0 0 0 0 0 0 0 0 0 0
Add 0 0 0 0 0 0 0 0 0 0
CD 6 6 6 6 5 5 5 5 4 4
CD 6
Party's Agility 3 level(s) UP (3 turns). [Additional effect +0 with success rate 0%.]
Party's Spirit Power 0.25 UP. [Additional effect +0 with success rate 0%.]
Info
The fairies who wear maid dresses of the Scarlet Devil Mansion. It seems they employ any fairy who wants the job. But how hard do they actually work?
Skill Level 1 2 3 4 5 6 7 8 9 10
Agility Level Up
Value 2 2 2 2 2 2 2 2 2 3
Rate 0 10 20 40 40 50 60 80 80 0
Add 0 1 1 1 1 1 1 1 1 0
Spirit Power Up
Value 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
Rate 0 0 0 0 0 0 0 0 0 0
Add 0 0 0 0 0 0 0 0 0 0
CD 8 8 8 8 7 7 7 7 6 6

Character Characteristics

Flash-Freeze Paper Knives
When wave starts, inflicts 1 layer of Barrier Status: Freeze to target (3 turns). [Success rate 100%.]
Qigong Feedback
After being attacked, own Agility 1 level UP (3 turns). [Success rate 70%.]
Vampire Legacy
When turn starts, own Spirit Power 0.25 UP. [Success rate 100%.]

Character Change Effect

Speed Link
When switching places with a rear-guard unit, other unit's Agility, Accuracy, & Evasion UP (3 turns).
When switching places with a front-guard unit, inherits part of other unit's Agility, Accuracy, & Evasion buffs (3 turns).

Upgrade Costs

Rank Coins Materials
0 -> 1 1000
1 -> 2 2,000
2 -> 3 5,000
3 -> 4 10,000
4 -> 5 15,000

Character Analysis

B3 Sakua Izayoi was released on January 28th, 2022 in Ultra Festival: Lunar War Servant. 

Losing the ability to manipulate time made Sakuya reflect on what it meant to be truly powerless. Even if she could still perform normal maidly duties, the inability to move quickly meant the inability to protect her allies or successfully trick her opponents. Now, as only a human, she fully understood how it felt to hold no power, just like the sealed residents of the Scarlet Devil Mansion. It was a good time for reflection, but now she can move on with the newfound destructive powers of manipulating fate, qi, and time once more under her codename Servant. As a S+ Tier Friend, Sakuya will bolt around the battlefield once more, even if you’re unable to see her.

Sakuya (Code: Servant)'s Last Word, Cosmopolitan Museum, is one of the heaviest hitting Solo Last Words in the game. The attack is already strong, but it can be used even without much setup on turn 1 due to being able to gain 1.0 Spirit Power from her first skill, module[Hobgoblin]. Her great Slice scaling combined with her high Agility and ability to easily buff her Agility makes for a very impressive Solo Last Word nuke. With the proper set-up and story cards, she can serve some of the highest Solo Last Word damage in the game. Her spells are also strong enough to consistently farm Hifuu Chapter 1’s final stage, even before MLB.

As for harder fights, Servant provides a large amount of offense and utility, fitting for a perfect maid. She can easily achieve a full 10 levels of Agility UP from a mix of her second spell card, Light Speed: C. Ricochet (2 levels for 3 turns), her first and third skill, module[Hobgoblin] (2 levels for 3 turns) and module[Fairy_Maid] (3 levels for 3 turns), activating (Last Word) (3 levels for 3 turns), and Grazing. Her speed increase isn’t greedy either, as both skills and Grazing apply their Agility buffs to all allies, assisting in other Friends’ Slice scaling when needed. Her second skill, module[Tupai], grants 2 levels of Accuracy UP to the whole party along with each Boost, giving Sakuya further supportive utility. 

Along with manipulating time to help her allies comes manipulating fate to cripple her foes. Both of her spell cards inflict 1 Freeze anomaly onto all opponents for 2 turns, with an additional Freeze barrier being applied to whoever Sakuya targeted first. Combined with her first characteristic, Flash-Freeze Paper Knives, to apply a Freeze anomaly on one opponent at the start of a wave, any Friend who has the ability to apply more Freeze barriers and break them, such as Cirno, synergize well with Servant.

Even without Melting to break those frozen barriers, Sakuya does not disappoint when it comes to breaks. She has her own Solo-target Moon break at 0P thanks to her focus shot, Magic Star Sword, along with a decent variety of Moon and Metal breaks. As difficult as it can be to reach the backloaded requirements to reach higher bullet lines on her spells, her third characteristic, Vampire Legacy, grants her 0.25 Spirit Power each turn to make the wait less tedious.

While Servant's teamwide buffs are perfectly tailored for her, Agility buffs are not always most required by other team members, making her support nearly all Slice-based. Most Slice-based Friends already have their own methods to increase their Agility. And as much as Sakuya can buff her Yang ATK, a Solo-target Last Word will naturally weakens her farming options. 

Still, Servant uses her hyper-speed to the greatest of her ability in order to hit the hardest she possibly can. Add her to your ranks and she will prove her worth along with her other mechanical friends.

The Slicescaling and chance for stun for Servant’s attacks are as follows:

Dancing Star Sword:
Slice: 0%/0%/30%/0%/40%/0%

Magic Star Sword: 
Slice: 0%/0%/0%/30%/30%/40%
Chance for Stun: 0%/10%/0%/0%/10%/0%

Scarred Soul: Soul Sculpture: 
Slice: 0%/60%/60%/60%/70%/20% 

Light Speed: C. Ricochet: 
Slice: 0%/20%/30%/40%/50%/80%
Chance for Stun: 0%/50%/0%/0%/0%/0%

Cosmopolitan Museum: 
Slice: 80%/80%/100%/100%/120%/140%
Chance for Stun: 0%/0%/0%/0%/0%/100%

Story Card Recommendations

Spell Card

Servant already does very well with her own Spirit Power gain, but Witch of Scarlet Dreams will guarantee she always has the ability to boost her attacks while providing a nice Yang ATK stat stick. Since Servant already boosts her Agility and Accuracy enough by herself, the next best option is to provide her Yang ATK UP with cards such as Ordinary Magician or put on Agility stat sticks.

Last Word

With a Last Word consisting entirely of Slash Bullets, Mysterious Sword Master’s 50% Slash Bullet Power UP stands as the uncontested best story card for Servant’s Last Word. If you currently do not have this main story card, then the currently only other option for Slash Power UP is Dead End.

Character Skill Level Up Recommendations

module[Hobgoblin] should definitely be prioritized first, as it grants Servant the highest amount of Spirit Power gain as well as a good 3 levels of Yang ATK UP and 2 levels of Agility UP for the entire party for good measure. The other two skills are on a similar level of utility, as her character ability can buff either Agility or Accuracy without using these skills. module[Fairy_Maid] is preferred so Sakuya can reach the maximum 10 levels of Agility UP, and module[Tupai] can be leveled up last if needed.

Character Strengths

+0P Moon break on Focus shot
+Good Moon and Metal breaks on spells
+Heavy amount of Agility and Accuracy buffs for self and allies
+Solo-target Last Word can unleash devastating damage
+Good All-target spells with Freeze anomaly potential

Character Weaknesses

-mediocre farming capability
-teamwide agility buffs limit support potential