mysterious heroine xx (fate)
Foreigner-class version of Mysterious Heroine X. She has three distinct designs depending on her Ascension level:
- Level 1 is her as a mecha musume wearing full armor
- Level 2 loses some of the armor to show her face, and she wears a large blue scarf, skin tight clothes under her armor, and metal gloves and boots
- Level 3 loses the armor completely, and she wears a blue baseball cap, a blue shrug and a white bikini
Mysterious Heroine XX wields Twinmyniad, a double-bladed version of Rhongomyniad. Her breasts get slightly larger with each Ascension, though never as big as Artoria Pendragon (lancer).
Personality-wise, she's an older, more mature version of Heroine X. She's nowhere near as obsessed as X is with eliminating all the other Sabers, to the point that she sometimes forgets about it completely, and is more focused on eliminating Foreigners.