| Nahui Mictlan | Ordeal Call Prologue | Bleached Earth Paper Moon Archetype Inception |
Ordeal Call Prologue (奏章プロローグ??)
Set in the boundaries of Antarctica, after the events on Nahui Mictlan. Fujimaru Ritsuka and the team has overused Ruler, Avenger and Alter Ego classes, causing a misalignment in Finis Chaldea, barring them from entering Antarctica.
Unlock Requirements: Clear 
Nahui Mictlan
Release Date (JP): Part 1; February 10, 2023/Part 2; June 7, 2023
ARC 2.5 PROLOGUE
Ordeal Call Prologue
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| オーディール・コール 序 | ||||
| Ordeal Call Prologue | ||||
| AP Cost | Bond Points | QP | EXP | Battlefield type |
| 0 | 0 | 0 | 0 | |
| Completion RewardCompletion Reward |
NO REWARD |
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Ordeal Call 0
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| オーディール・コール ０ | ||||
| Ordeal Call 0 | ||||
| AP Cost | Bond Points | QP | EXP | Battlefield type |
| 0 | 0 | 0 | 0 | |
| Completion RewardCompletion Reward |
Unlock  as login reward
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| Quests | |
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| 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
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 E Pluribus Unum •  Camelot •  Babylonia •  Solomon
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| Arc 1.5 |  Shinjuku •  Agartha •  Shimosa •  Salem
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| Arc 2 | Prologue •  Anastasia •  Götterdämmerung •  S I N •  Yuga Kshetra •  Atlantis
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 Olympus •  Heian-kyō •  Avalon le Fae •  Tunguska Sanctuary •  Traum •  Nahui Mictlan
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| Arc 2.5 | Prologue • Bleached Earth •  Paper Moon •  Id •  Archetype Inception
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