Mysterious Heroine X (Alter)

General

Dialogue

Interlude

Rank Up

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Trial Quest

This page is for the 5★ version. For the 5★ , see Mysterious Heroine X; for the 4★ , see Mysterious Heroine XX.

5★ 155 Mysterious Heroine X (Alter) 謎のヒロインＸ〔オルタ〕
VA: Kawasumi Ayako | Art: BUNBUN	Attack 1,717 - 11,113 (12,165) HP 2,079 - 14,175 (15,529) Cost 16 Star Absorption 9 Star Generation 5% NP Charge Attack 1.07% NP Charge Defense 5% Death Rate 37.3% Growth Curve Semi S Attribute Star Alignment Neutral Evil Available during the second Valentine's Day event. Traits: Servant, Humanoid, Dragon, Arthur, Altria Face, King, Not Weak to Enuma Elish, FGO Newcomer, Under 165cm, Western, Female, Neutral Evil Also Known As: MHX Alter Number of Hits: 3 | 2 | 4 | 5
Active Skills Passive Skills Noble Phantasm Ascension Skill Up Stats Bond Level Lore Trivia

Active Skills

Starts with this Skill

∞ Chocolate EX ∞黒餡子 EX
Increase your HP Recovery amount (3 turns) Restore HP for yourself Targets: Self Cooldown: 7 / 6 / 5
Level	1	2	3	4	5	6	7	8	9	10
Healing + Heal +	20% 1000	23% 1100	26% 1200	29% 1300	32% 1400	35% 1500	38% 1600	41% 1700	44% 1800	50% 2000

Upgrades after Rank Up Quest, Replaces ∞ Chocolate

∞ Chestnut Paste EX ∞栗餡子 EX
Increase your HP Recovery amount (3 turns) Restore HP for yourself Apply HP Recovery each turn for yourself (1000 HP, 3 turns) Increase your Quick card Critical Damage (1 time, 3 turns) Increase your Arts card Critical Damage (1 time, 3 turns) Increase your Buster card Critical Damage (1 time, 3 turns) Targets: Self Cooldown: 7 / 6 / 5
Level	1	2	3	4	5	6	7	8	9	10
Healing + Heal + Card Crit.Dmg +	20% 1000 20%	23% 1100 21%	26% 1200 22%	29% 1300 23%	32% 1400 24%	35% 1500 25%	38% 1600 26%	41% 1700 27%	44% 1800 28%	50% 2000 30%

Unlocks at 1st Ascension

Intuition C 直感 C
Gain a large amount of Critical Stars Targets: Self Cooldown: 7 / 6 / 5
Level	1	2	3	4	5	6	7	8	9	10
Critical Stars+	4	5	6	7	8	9	10	11	12	14

Upgrades after Rank Up Quest, Replaces Intuition

Ephemeral Shadow Blade C+ 刹那無影剣 C+
Increase your Quick Card effectiveness. (3 turns) Gain Critical Stars. Targets: Self Cooldown: 7 / 6 / 5
Level	1	2	3	4	5	6	7	8	9	10
Quick + Stars +	20% 10	21% 11	22% 12	23% 13	24% 14	25% 15	26% 16	27% 17	28% 18	30% 20

Unlocks at 3rd Ascension

King's Invisible Hand C 王の見えざる手 C
Increase all allies' ATK. (3 turns) Reduce one ally's Critical Star Gather Rate by 100%. (1 turn) Targets: Allies Cooldown: 7 / 6 / 5
Level	1	2	3	4	5	6	7	8	9	10
Attack+	10%	11%	12%	13%	14%	15%	16%	17%	18%	20%

Passive Skills

Madness Enhancement C
Increase your Buster Card effectiveness by 6%.

Altreactor A
Increase your Debuff Resist by 20%

Noble Phantasm

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

Ascension

Ascension	QP	Items
1st	100,000	5
2nd	300,000	12 18
3rd	1,000,000	5 20 3
4th	3,000,000	12 6 5

Skill Reinforcement

Level	QP	Items
2nd	200,000	5
3rd	400,000	12
4th	1,200,000	5
5th	1,600,000	12 10
6th	4,000,000	5 20
7th	5,000,000	12 12
8th	10,000,000	24 4
9th	12,000,000	11 10
10th	20,000,000

Stats

Strength

A

Endurance

B

Agility

B

Mana

A+

Luck

C

Noble Phantasm

A++

Bond Level

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				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.

Using

allows you to unlock Bond Level 11 through 15 for the chosen Servant.

Bond Level	11	12	13	14	15
Bond Required	1,090,000	1,230,000	1,360,000	1,500,000	1,640,000
Total Bond	2,708,000	3,938,000	5,298,000	6,798,000	8,438,000

Lore

CHARACTER INFO 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 whilst fuelling her magical energy converter, the Altreactor. You don't know what's going on anymore, you say? ---Don't think. Feel. BOND 1 Height: 154cm Weight: 42kg Origin: 2017 Valentine's Event Region: The Servant Universe Alignment: Neutral Evil Gender: Female Fallen Knight Sir Pendragon 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. ??? CHARACTER INFO サーヴァントユニヴァースより来訪した天涯孤独のヴィラン(悪役)。 世にも珍しい文系のバーサーカー。 魔力転換がオルトリアクターを燃やし謎のヒロインＸの打倒を誓う、対・対セイバー用決戦兵器。 もう訳が分からない、だって？ ───考えるな。感じるんだ。 BOND 1 没落の騎士ペンドラゴン卿 身長／体重：154cm・42kg 出典：2017年バレンタインイベント 地域：サーヴァント界 属性：中立・悪　　性別：女性 じまんのつるぎ『邪聖剣ネクロカリバー』はあやしいつうはんでかった。 BOND 2 「闘うよ。ヒロインＸを倒し、 　宇宙をヴィランの闇色に染める、その日まで」 そう誓う彼女をヴォロイド“Ｋ６ーＸ４” 通称“黒騎士くん”はいつも陰から見守っている。 適当に隠れてサボっているとも言う。 BOND 3 まじめでひかえめな態度の少女。 好物は甘味。隙あらば高級和菓子を所望してくる。 割と金のかかる腹ぺこ。 オフの日は黒い円卓型のこたつから一歩も出ず、読書をしたり音楽を聞いたりして過ごす。 基本ずぼらで面倒くさがり。 他人からの命令や指図には、皮肉を返しつつもそれなりに素直に従うのは不思議。 甘い物で釣ると早い。 BOND 4 魔力転換炉オルトリアクターは、体内に秘めるオルタニウム結晶を触媒として、カロリーを魔力へ変換する。 「和三盆の成分バランスが最大効率です。あとお茶もほしいです」と彼女は強調する。 眼鏡はブーストされた視神経を休ませるために必要なアイテム。掛ける間はむしろ視力が落ちる。 彼女が所持している謎のアイテム「∞（インフィニティ）黒餡子」は欲求（ソウル）、糖分（パワー）、売り場（スペース）、原価（リアリティ）、製作（タイム）、需要（マインド）という六つの原始力によって作られたもので、持つ者に無限の力を与えるというがX・オルタはよく分かっていない。 BOND 5 すでに壊滅し失われた暗黒の騎士団ダーク・ラウンズに連なる最後の生き残り。 付与されし称号はペンドラゴン卿。 念動力“オルタ・チョーク”、腕先から魔力を放出する絶技“オルト・ライトニング”など、どこかで見たような多彩な技を駆使する。 赤い魔力を放つ“邪聖剣ネクロカリバー”はツインブレードやチェーンソーなど自在に変形するが、よく壊れて爆発する。 格好いい武器ほどあまり強くない、というのは宇宙共通の掟らしい。 やはり何の変哲もないロングソードこそ至高。 ??? CHARACTER INFO BOND 1 Height: 154cm Weight: 42kg Origin: 2017 Valentine's Event Region: The Servant Universe Alignment: Neutral Evil Gender: Female Fallen Knight Sir Pendragon 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. ???

Featured in the Following Craft Essences

Trivia

• The Otaku Version of Mysterious Heroine X from April Fool. Rather than having the same personality what they have is the opposite.
• She is the 6th Alter Servant overall and the first ★5 Altria 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