| Arc 2 Prologue | Anastasia | Götterdämmerung |
This article is about the Arc 2 Lostbelt I, Anastasia. For 5★ 
, see Anastasia. For 4★ 
, see Anastasia & Viy.
, see Anastasia. For 4★ , see Anastasia & Viy.
Lostbelt No.1 永久凍土帝国 アナスタシア 獣国の皇女
Lostbelt No.1: Permafrost Empire, Anastasia - The Grand Duchess of the Beast Nation
Set in A.D. 1570?
Crypter: Kadoc Zemlupus
Lostbelt King: Ivan the Terrible 
Unlock Requirements: Clear Arc 2 Prologue.
Release Date (JP): April 4, 2018
Release Date (NA): March 27, 2020
Main Story Clear Reward:
| Reward Craft Essences: | |
|---|---|
|
Heretical Yaga 
|
| Unlocks Servants in the Story Summoning gacha: | |
|
Antonio Salieri
|
| Unlocks CEs in the Story Summoning gacha: | |
|
|
Heretical Yaga
|
TVCM
AREA MAP
| Quests | |
|---|---|
| Formation | Party • Support • Mystic Codes • Servants • Second Archive |
| Mechanics | Battle • Status Effects • Battlefield Types • Attributes • Alignments • Traits |
| Chaldea Gate | Interludes • Strengthening Quests • Daily Quests • Main Interludes • Advanced Quests • Hunting Quests |
| Arc 1 |  Fuyuki •  Orleans •  Septem •  Okeanos •  London
|
 E Pluribus Unum •  Camelot •  Babylonia •  Solomon
| |
| Arc 1.5 |  Shinjuku •  Agartha •  Shimosa •  Salem
|
| Arc 2 | Prologue •  Anastasia •  Götterdämmerung •  S I N •  Yuga Kshetra •  Atlantis
|
 Olympus •  Heian-kyō •  Avalon le Fae •  Tunguska Sanctuary •  Traum •  Nahui Mictlan
| |
| Arc 2.5 | Prologue • Bleached Earth •  Paper Moon •  Id •  Archetype Inception
|