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Neutral Good
Max HP 11,248
HP Rank
Max ATK 10,123
ATK Rank
Base Atk1,687Base HP1,799
Max Atk 10,123 Max HP 11,248
Lvl 100 Atk 12,257 Lvl 100 HP 13,638
Lvl 120 Atk 14,391 Lvl 120 HP 16,029
NP per Hit (%) 0.60%
NP when Attacked (%) 3%
Star Absorption 100
Star Generation per Hit 10.2%

Table of Contents

Servant Skills

Eternal Arms Mastery (Anti-Demonic) A-

Increase own Buster Card Star Gather Rate (3 turns).
Increase own Critical Strength (3 times, 3 turns).

Show Info
Star Gather (Buster) + 300% 330% 360% 390% 420% 450% 480% 510% 540% 600%
Crit Damage + 30% 32% 34% 36% 38% 40% 42% 44% 46% 50%
CD 7 7 7 7 7 6 6 6 6 5

Available from the start

Suiten's Disciple B

Apply Evade to self (1 turn).
Increase own Arts Card Star Gather Rate (1 turn).
Increase own NP Gain (1 turn).

Show Info
Star Gather (Arts) + 300% 330% 360% 390% 420% 450% 480% 510% 540% 600%
NP Gain + 30% 32% 34% 36% 38% 40% 42% 44% 46% 50%
CD 8 8 8 8 8 7 7 7 7 6

Unlocks after 1st Ascension

Severed Arm at Ichijou Modori-bashi EX

Increase own Buster Card effectiveness (3 turns).
Apply Sure Hit to self (3 turns).
Decrease Critical Rate for all enemies (3 turns).

Show Info
Buster + 20% 22% 24% 26% 28% 30% 32% 34% 36% 40%
Crit Rate - 10% 11% 12% 13% 14% 15% 16% 17% 18% 20%
CD 7 7 7 7 7 6 6 6 6 5

Unlocks after 3rd Ascension

Append Skills

Anti-Berserker (ATK Up)

Deal extra Special ATK damage to [Berserker] class enemies.

Show Info
Special ATK +20%21%22%23%24%25%26%27%28%30%

Class Skills

Magic Resistance A

Increase your Debuff Resist by 20%.

Riding B

Increase your Quick Card effectiveness by 8%.

Noble Phantasm

Mt. Ooe-Bodhi Oni Slayer A

Deal damage to a single enemy.
Deal 200% supereffective damage against [Oni] enemies.


Apply Special ATK [Demonic] to self (1 turn). [Activates first]

Show Info/Video

Mt. Ooe-Bodhi Oni Slayer

Ooeiyama Bodaikisatsu

Rank Classification Hit-Count
A Anti-Demon 3

Deal damage to a single enemy.
Deal 200% supereffective damage against [Oni] enemies.

Level 1 2 3 4 5
600% 800% 900% 950% 1000%
200% 200% 200% 200% 200%
Overcharge Effect

Apply Special ATK [Demonic] to self (1 turn). [Activates first]

Charge 100% 200% 300% 400% 500%
20% 25% 30% 35% 40%

Assorted Info

ID 298
Cost 12
Gender Male
Growth Reverse S
Inst. Death Chance 28.00%
Damage Distribution Quick 10,20,30,40
Damage Distribution Arts 16,33,51
Damage Distribution Buster 33,67
Damage Distribution Extra 6,13,20,26,35
Damage Distribution NP 16,33,51

Attack / HP Growth

Stat Ratings

Ascension Materials


Skill Enhancement Materials

1 → 2 100,000
2 → 3 200,000
3 → 4 600,000
4 → 5 800,000
5 → 6 2,000,000
6 → 7 2,500,000
7 → 8 5,000,000
8 → 9 6,000,000
9 → 10 10,000,000

Append Skill Materials

1 → 2 100000
2 → 3 200000
3 → 4 600000
4 → 5 800000
5 → 6 2000000
6 → 7 2500000
7 → 8 5000000
8 → 9 6000000
9 → 10 10000000

Total Materials Required

Append Skill
Asc + Skill

Costume Dress Materials

Costume Cost Materials
April Fool's 0

Bond CE

Bond Level 1 2 3 4 5 6 7 8 9 10
Bond Pts Req. 5,000 15,000 10,000 2,000 18,000 150,000 400,000 300,000 280,000 370,000
Tale of the Beginning and the End

When equipped on Watanabe no Tsuna,
Increase Damage of all allies against enemies with [Demonic] trait by 15% and against enemies with [Oni] trait by 15% while he is on the field.

Table of Contents


“If you’re in need of someone to slay demons and oni, then you’re looking at the right person. I’m not very good at cutting down people though, so forgive me on that front.”

Watanabe no Tsuna is a samurai who was known to accompany Minamoto-no-Raikou in many exploits in slaying demons, and is most notable for defeating Ibaraki-Douji in legend. In Fate, Watanabe no Tsuna is a single target Buster Saber, who deals bonus damage in particular to demonic and oni enemies.

Watanabe no Tsuna’s skill set is relatively straightforward in its focus on his own offensive performance. Eternal Arms Mastery (Anti-Demonic) increases his Buster Star Gather Rate as well as his Critical Strength, Severed Arm at Ichijou Modori-bashi enhances his Buster performance, and Suiten's Disciple provides an Arts Star Gather Rate buff. These in combination give him very solid Crit performance within his own kit, provided he has a source of Stars to work with. He also has a 3-turn Sure Hit effect on his third skill, which can periodically come in handy for enemies that utilize Evasion. Defensively, he has a 1-turn Evade, as well as a minor debuff to enemy Critical Rate. He also has a 1-turn NP Gain buff that comes with the Arts Star Gather buff, greatly enhancing any NP Gain from Arts Crits for a single turn. If he manages to Crit with both of his Arts Cards, he can nearly fill his NP Gauge from 0% even without any external Arts or NP Gain buffs.

His single target Buster Noble Phantasm, Ooeiyama Bodaikisatsu, encapsulates his legend as an Oni-slaying Samurai, dealing both supereffective damage against Oni trait enemies, and special attack damage against Demonic trait enemies. In most cases, enemies that this is applicable to will have both traits, making these trait-based bonuses stack multiplicatively to further enhance his damage. The special attack multiplier is unfortunately relatively low in comparison to the supereffective multiplier, however, and ends up being a tad bit of extra damage in practice. His Buster Card typing on his NP also means he will not be generating any NP refund on his own without additional Card hits or support, and his lack of an NP charge skill makes his NP gain very dependent on Card luck and support from allies.

Overall, Watanabe no Tsuna is a relatively straight forward, offense-focused single target Buster damage dealer. For Masters in need of a single target Saber, he satisfies the role adequately, and although there are a good number of other ST Buster Sabers around, he’s particularly helpful for dispatching Lancer-Class enemies of the oni or demonic variety.


Strong Buster Critical Damage

Using his first and third skills provide his Buster Cards with buffs for Star Gather Rate, Critical Damage, and their raw damage as well. With a few Stars on the field, if his Buster Cards are available, he can quickly convert those stars into a painful flurry of slashes for the enemy.

Anti-Demonic Niche

Watanabe no Tsuna’s multipliers against Oni and Demonic enemies compounds to approximately 2.4x damage at 100% overcharge, which makes it among one of the higher multipliers (compared to other ST Buster Sabers with anti-Demonic damage such as Rama, who sits at 1.5x at 100% Overcharge), making him a particularly good option for Lancer or Berserker bosses who have both traits.


Card-Dependent NP Gain

Having no NP charge of his own, and wielding a Buster NP, Watanabe no Tsuna relies on drawing his own Arts Cards and utilizing his second skill to land Arts Crits to fill his NP Gauge, which can be unreliable. Otherwise, he is dependent on having NP Gauge supports and/or Craft Essences to ensure he can unleash his NP in a timely manner. 

Low Innate Star Gain

Despite having a slew of strong Critical performance-enhancing skills, Watanabe no Tsuna does not have a reliable way to gain stars on his own. He only has a single Quick Card in his deck, and no Star generation skills or effects, so he will need support or a CE that can produce Stars to fuel his Critical performance capabilities.

Level Up Skill Recommendation

Skill Priority
Eternal Arms Mastery (Anti-Demonic) A-

Increase own Buster Card Star Gather Rate (3 turns).
Increase own Critical Strength (3 times, 3 turns).

Show Info
Star Gather (Buster) + 300% 330% 360% 390% 420% 450% 480% 510% 540% 600%
Crit Damage + 30% 32% 34% 36% 38% 40% 42% 44% 46% 50%
CD 7 7 7 7 7 6 6 6 6 5
Suiten's Disciple B

Apply Evade to self (1 turn).
Increase own Arts Card Star Gather Rate (1 turn).
Increase own NP Gain (1 turn).

Show Info
Star Gather (Arts) + 300% 330% 360% 390% 420% 450% 480% 510% 540% 600%
NP Gain + 30% 32% 34% 36% 38% 40% 42% 44% 46% 50%
CD 8 8 8 8 8 7 7 7 7 6
Severed Arm at Ichijou Modori-bashi EX

Increase own Buster Card effectiveness (3 turns).
Apply Sure Hit to self (3 turns).
Decrease Critical Rate for all enemies (3 turns).

Show Info
Buster + 20% 22% 24% 26% 28% 30% 32% 34% 36% 40%
Crit Rate - 10% 11% 12% 13% 14% 15% 16% 17% 18% 20%
CD 7 7 7 7 7 6 6 6 6 5

Watanabe no Tsuna’s primary focus is damage, and his third skill improves both his NP and Card performance so it is generally first priority for leveling. His first skill supports his Critical performance capacity, making it also helpful to level, although not as widely applicable as his third skill. Finally, his second skill functions as both a defensive skill as well as a 1-turn Arts Star Gather / NP Gain buff. Leveling this for reduced cooldown and better NP Gauge return for his Arts crits is helpful, but not necessary to his primary role.

  • Eternal Arms Mastery (Anti-Demonic) A- – Leveling this skill increases both the Star Gather and Critical Strength buff values at decent rates, making this worth leveling. However, this skill does not affect his NP performance at all, so it is less of a priority if he is being used for his NP against Oni/Demonic enemies.
  • Suiten's Disciple B – This skill’s Arts Star Gather and NP Gain effects scale with level, while the Evade effect remains unchanged aside from the cooldown reduction. Levels in this skill are helpful in situations where external NP Gauge support or CEs are unavailable, and his Card NP Gain is more crucial to filling his NP Gauge, but is otherwise lower priority.
  • Severed Arm at Ichijou Modori-bashi EX – This skill’s Buster Card effectiveness buff scales relatively generously, from 20% to 40% at max level, which is greater than the usual scaling of +10% at max level. The Critical Rate debuff also scales with level, although this effect is less important to the primary function of this skill. Since this skill affects both his NP and Card performance, it is worth leveling first.

Craft Essence Recommendation

Watanabe no Tsuna, being a ST Buster Saber with no innate NP Charge, benefits greatly from Starting NP Gauge. Additionally, since he only has Buster buffs in his kit, he also benefits more greatly from Attack or NP Damage buffs, although Buster Performance is still welcome.

  • Kaleidoscope / The Imaginary Element: These all provide starting NP Gauge for Watanabe no Tsuna, and with minimal support or Append Skill usage, enable him to unleash his NP from battle start.
  • The Black Grail / Heaven’s Feel: These CEs provide the largest raw boost to Watanabe no Tsuna’s NP damage output, at the cost of requiring NP Gauge support to fill his gauge all the way from 0%.
  • Golden Sumo: Boulder Tournament / Holy Night Supper / A Walk in the Park / Halloween Princess / Demonic Sun-Princess / Aerial Drive: These Craft Essences provide a mixture of starting NP Gauge and Attack or NP Damage buffs, enhancing both his performance while easing access to his NP. Note he will still need NP Gauge support when using these CEs if he is meant to NP at battle start.

Table of Contents

Other Info

Release Date 11/21/2022
Country/Place of Origin
Illustrator Hidari
Seiyuu (CV) Kenji Akabane
Series Fate/Grand Order




Character Info

Watanabe-no-Tsuna was a warrior from the mid-Heian period. He served along with Sakata Kintoki, Usui Sadamitsu, and Urabe-no-Suetake as one of Minamoto-no-Raikou's famed Four Kings. Of the Four Kings, Tsuna was said to be Raikou's most trusted warrior, and was loved like an older brother by his three companions.

Profile 1

Height/Weight: 180cm, 77kg
Origin: History
Region: Japan
Alignment: Neutral-Good
Gender: Male
Japan's greatest oni slayer. He is so strong that the mere sight of him sends oni fleeing in terror, even without the presence of an exorcist.

Profile 2

A stodgy, extremely straitlaced man. He may be a man of few words, but he is still social, and was a renowned as a cool and collected oni killer. He executes his job with such flawlessness and dogged dedication that outsiders can hardly imagine him ever having a personal or social life. It was said that people around him placed absolute trust in him not because of his words, but rather his attitude and the way he carried himself. His sense of obligation, rather than hatred, is what drives him to kill oni.
...Except for a certain oni, that is.

Profile 3

Unlocks after clearing Lostbelt 5.5: Heian-kyo

Eternal Arms Mastery (Anti-Demonic): A-
As long as his opponent is demonic, his arts will never so much as waver. He is an expert at fighting oni and demons, but...this skill has been slightly downgraded for some...specific reasons.

Suiten's Disciple: B
There is a theory that Tsuna, as the ancestor of the Watanabe clan, practiced the art of pacifying water spirits and preventing water-related disasters. He is able to both protect himself against threats from water, and pacify its spirits at the same time.

Severed Arm at Ichijou Modori-bashi: EX
The legend of what happened at Ichijou Modori-bashi at the capital, sublimated into a skill. Tsuna demonstrated incredible prowess by facing an oni, whose supernatural strength should have made it more than a match for a human. According to legend, he sliced off the oni's arm without so much as flinching. This skill makes his attack impossible to anticipate, and so equally impossible to evade.

As a side note, the story of Ibaraki-Douji's arm getting cut off differs between true history and the Imperial Holy Grail War (Singularity). In true history, Tsuna did devise a plan and sliced off Ibaraki's arm, as Ibaraki claimed.

Profile 4

Unlocks after clearing Lostbelt 5.5: Heian-kyo

[Mt. Ooe - Bodhi Oni Slayer]
Rank: A
NP Type: Anti-Oni
Range: 1
Maximum Targets: 1

Ooeyama - Bodaikisatsu
A single strike that specializes in killing demons, particularly oni. Watanabe-no-Tsuna was by no means a mage, but whenever he is in the presence of oni, he performs a kuji-kiri chant to heighten his power and focus, enabling him to kill oni in one strike. Unlike Raikou or Kintoki, he fights oni while being entirely human.

[Onikiri Yasutsuna]
Rank: C
NP Type: Anti-Personnel
Range: 1
Maximum Targets: 1

Oni-Slaying Yatsuna.
A famed sword of the Genji clan, entrusted to Tsuna by Raikou. Its previous name was Higekiri, and it was also said to be used during the battle against Suzuka Gozen. After it sliced off Ibaraki-Douji's arm, it was renamed Onikiri. The sword possesses special properties when used against demonic enemies and oni. When an oni sees the sword being unsheathed, they are immediately buffeted by a rank B force. Unless they possess Mental Corruption, Madness Enhancement, or a Mental Resistance skill of rank B or higher, they cannot escape its immense pressure.

In FGO, this is only used as a normal weapon.

Profile 5

Unlocks after clearing Lostbelt 5.5: Heian-kyo

To Tsuna, an oni is should neither be hated nor protected, but must simply be killed. There is no sympathy, compassion, hatred, or joy in the act. It is a job. Each morning, he went to the capital and killed any oni he encountered, then returned home. This was his routine, each and every day. Were he born in modern times, he might have been a businessman who acted always with perfect dedication to his job (with no need to ever put in overtime). He was an exceptional man who never neglected his training and worked always to improve his skills, no matter what.

Though he understands human behavior, he has no desire to partake in it. He understands human emotion, but it is unclear whether those emotions do indeed exist within him. This is, however, complicated by the fact that he isn't entirely lacking in emotion. He may risk his life in defense of his friends or innocent people, but never grows emotional in the doing...almost like a robot programmed to help people. His explanation for this is that he does what he does simply because it is what's expected of him. Tsuna also does not think of himself as human, which is why it is so much harder for him to kill humans than oni. When he expressed this to Kintoki and some others, they were at a loss for how to respond.

An outcast since childhood, he understands that the only links he has to humanity are that he is one of Raikou's Four Kings, is a warrior, and that he slays oni. The only exception to this is the golden-haired oni who is resplendent yet cruel. She is the only one who stirs up any kind of emotion in Tsuna.

Profile 6

Unlocks after clearing Lostbelt 5.5: Heian-kyo

Voice Lines

Battle Start 1 Understood. I will kill them.
Battle Start 2 I'm not good other than against demons...but I'll work it out.
Battle Start 3 Yeah, I'll attack if it's an oni. I guess I'll cut it up even if it's something else.
Battle Start 4 Evil spirits, demonic oni...everything will be annihilated.
Skill 1 Slay.
Skill 2 Kill.
Skill 3 Slaughter demons.
Skill 4 I'll take their head.
Command Card 1 Okay.
Command Card 2 Yeah.
Command Card 3 Got it.
Noble Phantasm Card 1 I'm going to slice them up. I ask for your support.
Noble Phantasm Card 2 It's my turn to shine if there's an oni.
Noble Phantasm Card 3 I form the nine symbols and cut them, and then take their head.
Noble Phantasm Card 4 Ugh. I always feel nauseous when this happens.
Attack 1 Ha!
Attack 2 Too slow!
Attack 3 Slice!
Attack 4 This is nothing!
Attack 5 I'll cut them off!
Attack 6 Too easy.
Extra Attack 1 It's the hour of reckoning.
Extra Attack 2 Turn to ash.
Extra Attack 3 Burn in hellfire!
Extra Attack 4 A flower to offer for your spirit.
Noble Phantasm 1 Rin-Byou-Tou-Sha-Kai-Jin-Retsu-Zai-Zen.
My blade cleaves all things demonic.
Mt. Ooe - Bodhi Oni Slayer!
Burn. Extinguish all sin.
Noble Phantasm 2 The nine symbols are formed and cut to rouse myself.
I am the blade that slaughters oni.
Let's go! Mt. Ooe - Bodhi Oni Slayer!
It was unfortunate for both of us that our paths crossed.
Noble Phantasm 3 Kongoshin, daikongorin, gejishi, naijishi, gebaku, naibaku, chiken, nichirin, ongyo.
Mt. Ooe - Bodhi Oni Slayer.
It's over.
Damage 1 Gnggghhh!
Damage 2 Kgh.
Damage 3 I'll withstand...!
Damage 4 Hm.
Incapacitated 1 So this is the end... Ibaraki...sorry...
Incapacitated 2 There are still...things...I need to slaughter...
Victory 1 Let's go slaughter our next enemy. What's wrong? You're not going?
Victory 2 So it's the end. Then let's go find the next oni.
Victory 3
Victory 4 Humanity sure is complicated...
Level up 1 Ah, so I've gotten stronger.
Level up 2 My sword is swifter and stronger.
Ascension 1 Once I unsheathe it, I just have to swing it. There's no issue there.
Ascension 2 There's no change, but I feel my body's gotten lighter.
Ascension 3 My hair color changed?
Must be the effects from Onikiri Yasutsuna, my sword.
You think I got stronger? That might be true, but it's nothing significant. Humans don't get stronger that easily. They have no choice but to train every day.
Ascension 4 There you are, Master.
I want you to witness the single attack I've poured all myself into. I'm going to entrust everything to this single attack, and I will continue to kill oni and demonic beings. I apologize that I can only do something so gory...but I hope you will allow me to stay with you a little longer.
Bond Level 1 Hm, oh it's Master. Do you have any business with me?
Bond Level 2 I'm in the middle of training, so you'll have to excuse me.
Bond Level 3 I'm in the middle of training, but if you don't mind, I can manage some chat.
Bond Level 4 You want to know how to cut up oni? It's not that difficult. It's easy to predict an oni's moves. For example, if they reach out their arm, you cut off that arm first and then cut off their head on the back swing.
And if they're still moving, just cut their body and legs to pieces to finish them off. Easy, right?
...I sound like a crazy person, don't I?
Bond Level 4 (2) If you ask me, it's much harder to slice up humans than oni or demonic beings, but not many agree with me...
Even Kintoki looks at me like I'm this crazy person...
Bond Level 5 My, I guess I should just call you Master.
I have a question for you.
I have no idea why you've patiently stuck around with someone as uninteresting as me. Why's that? Then again, if that's how you're going to be, then I'll need to respond by showing you my utmost respect as well.
This body of mine is, after all, nothing more than a knife to cut things. Go ahead and use me to the fullest. May the blade you wield never turn to evil.
Conversation 1 Perhaps it's time to take the field.
Conversation 2 My master, I will serve you as Servant.
I do not have any objections to that relationship.
Conversation 3 Shall I have you fight alongside me, or keep you in the back? Either way, you'll probably need to put reins on me.
...I wasn't trying to make a joke here. Really, I'm serious.
Conversation 4 (Ibaraki-Douji, Ibaraki-Douji (Lancer)) Ibaraki-Douji
No, I'm not in any position to see her. If I do meet her, I may ruin everything she built for herself to this point.
But there's sure to be a time when I will have to slay her.
My life and blade exist to slay her one day. Even if I've become a Servant, that will not change.
Conversation 5 (Shuten-Douji) So Shuten-Douji is here. What a headache.
I'd like to leave it to Kintoki, but I have a feeling doing so will just invite a whole other sort of trouble.
Firstly, it's bad enough that she isn't tied up. She's an oni, and should not be allowed to roam free.
Conversation 6 (Archer of Inferno, Archer of Inferno (Saber), Fuuma Kotarou) So they are descendants of oni...
They must have had a tough life.
Hm? You're wondering why I'm not going to slay them? If I have to decide whether a descendant is oni or human, then I consider them an oni the moment they do something atrocious.
If they act like a human, then they are in no way an oni.
Conversation 7 (Elisabeth Bathory, Elisabeth Bathory (Halloween), Elisabeth Bathory (Brave)) She's also an oni? An idol in the oni world?
My master, you're incorrect.
She's a bona fide lizard. It's rude of you to call her an oni.
...So do you know why she just got angry?
Conversation 8 (Minamoto-no-Raikou) Lord Raikou. From now on, I will be serving under Master. As my senior, I would appreciate if you guided me in this. If you are heading out to slay oni and demons, I am ready.
Conversation 9 (Sakata Kintoki, Sakata Kintoki (Rider)) Kintoki...your appearance...
Don't you think you've been brainwashed by modern times too much?
Oh, so you actually prefer this look. It's more golden that way... I see.
Conversation 10 (Minamoto-no-Raikou (Lancer)) Lord seem to be in lighter attire than usual. It's a summer exclusive look? The Shadow Prefect?
Hm...I do not know the details, but please give me any commands you have.
I will slay anything that needs slaying.
Conversation 11 (Suzuka Gozen) I see. So the lady who has fox ears, which are not horns, a tail, wears a school uniform, and carries a cell phone is Suzuka Gozen?
She seems to have lumped together a lot of attributes, but I guess I can't call her an oni if she's put that much effort into it all.
Likes What I like, huh?
I'm devoid of hobbies. Sorry.
Dislikes I do not dislike oni or demonic things. I only slay them because it's required from me. So in that sense, maybe I dislike fighting, killing, or blood-soaked battlefields.
About the Holy Grail The Holy Grail...
A person like me has no desires.
It's pointless to try to redo something I've regretted doing...
During an Event Master. It appears there's a festival going on.
It's best you don't laze about; you should go collect some materials.
Birthday I hear it's your birthday.
I honestly don't think I possess anything that would make you happy if I gave it to you, but at the very least I can celebrate with you.
Congratulations, my Master.
Summon Saber, Watanabe-no-Tsuna.
There's nothing in particular I can say beyond that, but if you're looking for someone who can eradicate oni or demons, I'm your guy.
I'm not too keen on slaughtering humans, so keep that in mind.

Valentine's CE


Non-Limited - Available in the general summoning pool.

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