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Servant Interlude Dialogue Strengthen
Bryn2 This Servant is a limited Servant. It is only available during special summoning campaigns. When no such campaigns are active, this Servant cannot be summoned. No plans have been revealed to add this Servant to the permanent summoning pool.

This page is for the Berserker version. For ★5 Assassin, please refer to Mysterious Heroine X.

Berserkericon

Mysterious Heroine X (Alter)

★ ★ ★ ★ ★


Japanese Name: 謎のヒロインX〔オルタ〕
AKA: MHX Alter
ID: 155 Cost: 16
ATK: 1717 / 11113 HP: 2079 / 14175
Grail ATK: 12165 Grail HP: 15529
Voice Actor: Kawasumi Ayako Illustrator: BUNBUN
Attribute: Star Growth Curve: Semi S
Star Absorption: 9 Star Generation: 5%
NP Charge ATK: 1.07% NP Charge DEF: 5%
Death Resist: 37.3%
Traits: Servant, Humanoid, Female, Dragon, Artoria, Saberface, King
QQABB
Quickicon3  |  Artsicon2  |  Bustericon4  |  Extraicon5

Active Skills Passive Skills Noble Phantasm Ascension Skill Upgrade Bond Level Biography Trivia

Mysterious Heroine X (Alter) is available for summoning during the Valentine 2017 Event Re-Run.

Active Skills Edit

Available from the start
Heal
∞ Black Bean Paste EX
Increases own received HP from healing (3 turn).
Recovers own HP.
Level 12345678910
Healing + 20%23%26%29%32%35%38%41%44%50%
Heal + 1000110012001300140015001600170018002000
Cooldown 7 65

Unlocks after 1st Ascension
Critnormal
Instinct C
Gain critical stars.
Level 12345678910
Stars + 45678910111214
Cooldown 7 65

Unlocks after Strengthening Quest, Replaces Instinct
Quickup
Instantaneous Shadowless Blade C+
Increases own Quick Card Performance for 3 turns.
Gain critical stars.
Level 12345678910
Quick + 20%21%22%23%24%25%26%27%28%30%
Stars + 10111213141516171820
Cooldown 7 65

Unlocks after 3rd Ascension
CritAbsorbDown
Sovereign's Invisible Hand C
Reduce ally's star absorb 100% for 1 turn, and Increase party attack for 3 turns.
Level 12345678910
Attack+ 10%11%12%13%14%15%16%17%18%20%
Cooldown 7 65

Passive Skills Edit

1
Bite
Mad Enhancement C
Increases damage of unit's Buster cards by 6%
2
Debuffres
Altreactor A
Increases own debuff resistance by 20%

Noble Phantasm Edit

Cross-Calibur
Black Dragon Twinblade of Victory
Rank Classification Type Hit-Count
A++ Anti-Army Quick 9
Effect Deals high damage to a single target.
NP Level 1 2 3 4 5
Damage + 1200% 1600% 1800% 1900% 2000%
Overcharge Effect Extra damage to Saber class servant
Charge 100% 200% 300% 400% 500%
Extra Damage + 150% 162.5% 175% 187.5% 200%

Fate Grand Order 謎のヒロインX〔オルタ〕 宝具+エクストラアタック00:45

Fate Grand Order 謎のヒロインX〔オルタ〕 宝具+エクストラアタック

Ascension Edit

Item 1 Item 2 Item 3 Item 4 QP
1st Berserker piece5 Qp100,000
2nd Berserker piece12 Dragon fang18 Qp300,000
3rd Berserker monument5 Medal of Great Knight20 Primordial Lanugo3 Qp1,000,000
4th Berserker monument12 Primordial Lanugo6 Dragons reverse scale5 Qp3,000,000

Skill Reinforcement Edit

Item 1 Item 2 Item 3 Item 4 QP
1st Shiningberserker5 Qp200,000
2nd Shiningberserker12 Qp400,000
3rd Magicberserker5 Qp1,200,000
4th Magicberserker12 Medal of Great Knight10 Qp1,600,000
5th Secretberserker5 Medal of Great Knight20 Qp4,000,000
6th Secretberserker12 Dragon fang12 Qp5,000,000
7th Dragon fang24 Blacktallow4 Qp10,000,000
8th Blacktallow11 Cursed Beast Cholecyst10 Qp12,000,000
9th Crystallized lore1 Qp20,000,000

Stats Edit

Strength: A
Stats5
Endurance: B
Stats4
Agility: B
Stats4
Mana: A+
Stats5
Luck: C
Stats3
NP: A++
Stats5

Bond Level Edit

Bond Level 1 2 3 4 5 6 7 8 9 10
Bond Required 2,000 3,000 4,000 5,000 6,000 230,000 250,000 300,000 380,000 438,000
Total Bond 2,000 5,000 9,000 14,000 20,000 250,000 500,000 800,000 1,180,000 1,618,000
Bond 10 Reward 429icon Dark Knight-Kun
When equipped on Mysterious Heroine X (Alter),

While she's on the field,
all enemy's Sabers on the field will receive 20% more damage.

Biography Edit

Unlock Translation
Default A Villain (antagonist), the last of her kind, on a visit from the Servant Universe.

A hard-to-come-by literary Berserker.
An Anti-Anti-Saber final weapon who swears to defeat Mysterious Heroine X while fueling her magical energy converter, the Altreactor.
You don't know what's going on anymore, you say?
---Don't think. Feel.

Bond 1 Fallen Knight Sir Pendragon

Height / Weight: 154 cm / 42 kg
Source: 2017 Valentine's Event
Region: Servant World
Alignment: Neutral Evil Gender: Female
Her prided sword, "Wicked Holy Sword Necrocalibur," was bought online from a shady vendor.

Bond 2 "I'll fight. Until the day I defeat Heroine X,

and stain the universe with the darkness of Villainy."

The voroid "K6-X4"—a.k.a. "Black Knight-kun"—is always watching over the girl and her oath from the shadows.
In other words, he's hiding away and being lazy on a whim.

Bond 3 A serious and reticent young girl.

Has a sweet tooth. If you give her the chance, she'll request luxury Japanese sweets.
A relatively costly glutton.
On days off, she doesn't take a single step away from the Black Round Table-type kotatsu.
There, she spends her day reading books and listening to music.

She's basically a slob who can't be bothered.
Curiously, she will follow orders and instructions, obedient in her own way, albeit served with a side of sarcastic retorts.
Bait her with sweets to get her going.

Bond 4 The magical energy converter, the Altreactor, converts calories into magical energy, the Alternium crystals hidden in her body acting as a catalyst.

"The component balance of wasanbon sugar is the most effective. Also, I'll have some green tea," she emphasizes.
Spectacles are a necessary item to rest her boosted optic nerves. In fact, her eyesight deteriorates when putting them on.

The mysterious item in her possession, the "∞ (Infinity) Black Bean Paste," was made through the six fundamental forces of
Desire (Soul), Sugar (Power),
Sales Location (Space), Cost Price (Reality),
Production (Time), and Demand (Mind).
Although said to grant infinite power to its wielder, X Alter doesn't really have a clue.

Bond 5 The last survivor of an annihilated and lost order of dark knights, the Dark Rounds.

The title bestowed on her is Sir Pendragon.

She employs a variety of strangely familiar techniques such as the psychokinetic "Alter Shock" and the ultimate technique "Alter Lightning," which releases magical energy from the forearms.
Emitting crimson magical energy, the "Wicked Holy Sword Necrocalibur" can be transformed into a twinblade or chainsaw at will, but frequently breaks and blows up.
It seems to be a universal law
that cool weapons aren't very powerful.
All said and done, nothing beats the standard longsword.

Trivia Edit

  • The Otaku Version of Mysterious Heroine X from April Fool. Rather than having the same personality what they have is the opposite.
  • She is 6th Class Alter Servant (Berseker) and she is also first ★5 Artoria Alter Servant.
  • Prior to her appearance in the game she was mentioned in FGO material as "「謎のセーラーX」".
  • オルト・ライトニング (Alter Lightning) is the name of her lightning attack.
  • オルト・ライトニング (Alter Lightning) and her double-bladed lightsaber is a parody of Red Lightning and the double-bladed lightsaber used by Darth Maul in Star Wars.
  • Her Extra Attack animation is also parody of Star Wars Episode 1 when Darth Maul killed Qui-Gon Jinn. The Video : https://www.youtube.com/watch?v=ojXpHwhIqO8