[Fate Grand Order / FGO ] Mysterious Heroine X (Alter) (Berserker): Skills, Stats and, Strategies

This article contains the stats, strategy, and guide for Berserker - Mysterious Heroine X. WE WILL UPDATE THIS AS SOON AS THE GAME COMES OUT.

This article contains information for Mysterious Heroine X Alter, a Berserker class servant in Fate Grand Order [FGO].

Mysterious Heroine X Alter

Mysterious Heroine X (Alter), Berserker
HP 1717 ATK 2079
Max HP 11113 Max ATK 14175


-coming soon-

Best Equipment

-coming soon-


Strength A Endurance B
Agility B Mana A+
Luck C NP A++



Name Rank Description
Mad Enhancement C Heightens damage of unit’s Buster cards by 6%
Alter Reactor A Raises own Debuff resistance by 20%


Name Rank Turns CD Description
∞ Black Bean Paste EX 3 7 Raises self’s HP restored from healing.
Recovers own HP.
Instinct C 7 Obtain Critical Stars.
Sovereign Invisible Hand C 3 7 Lowers ally’s Star absorb 100% for 1 turn.
Raises party attack.

Noble Phantasm

Cross Calibur, Twin Black Dragon Sword of Promised Victory

Rank A++
Classification Anti-Army
Type Quick
Effect Deals severe damage to 1 target.
Overcharge Effect Additional damage to Saber class servant.
Hit Count 9


Stage Item 1 Item 2 Item 3 Item 4 QP
1st 5 Berserker
2nd 12 Berserker
18 Dragon Fangs 300,000
3rd 5 Berserker
20 Medals of Great Knight 3 Primordial Lanugo 1,000,000
5th 12 Berserker
6 Primordial Lanugo 5 Dragon’s Reverse Scales 3,000,000

Skill Reinforcement

Stage Item 1 Item 2 Item 3 Item 4 QP
1st 5 Gem of Berserker 200,000
2nd 12 Gem of Berserker 400,000
3rd 5 Magic Gem of Berserker 1,200,000
5th 12 Magic Gem of Berserker 10 Medal of Great Knight 1,600,000
5th 5 Secret Gem of Berserker 20 Medal of Great Knight 4,000,000
6th 12 Secret Gem of Berserker 12 Dragon Fang 5,000,000
7th 24 Dragon Fang 4 Black Tallows 10,000,000
8th 11 Black Tallows 10 Cursed Beast Cholecyst 12,000,000
9th 1 Crystallized Lore 20,000,000


Donning a sailor fuku and spectacles, Mysterious Heroine X Alter’s diet consists of Japanese sugar which provides her with magical energy from the calories through the mysterious effects of the Altereactor. Her ∞(Infinity) Chocolate is a product of 6 primordial energies namely: desire, sugar content, point of sale, cost price, manufacture, and demand.

Mysterious Heroine X Alter is a Berserker Class Servant who came from the Servant World. She is the remaining survivor from Dark Rounds.

K6-X4, who is always vigilant of her presence, swore to pursue fighting in hopes of ultimately seeing the fall of Heroine X.


-coming soon-

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