From Fate/Grand Order Wiki
Lostbelt No.1 - The Eternally Frozen Empire of Anastasia, Princess of the Beast's Land
Anastasia was released on April 4, 2018, on the JP server. It is the first chapter of the Second Arc, Cosmos in the Lostbelt.
Main Story Clear Reward
- Holy Grail
- Heretical Yaga: receive 1 copy and it becomes unlocked for Story Summoning.
- Antonio Salieri becomes unlocked for Story Summoning.