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Event Period: 2025-04-24 ~ 05-07 20:59 PDT

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      Prologue

      Master and company start up the combat simulator for some training. But what appears before them is a castle filled with mischievous—and quite dangerous—obstacles and challenges devised by Sitonai!'I changed the simulator into a Bounded Field. You have to complete all the challenges to get out, so good luck!' A minute Singularity that has the potential to kill you... Its name: Illya's Karakuri Castle! Faced with obstacle courses built under the supervision of an expert in illusions, will Master and their companions be able to overcome each stage of the challenge and safely reach the goal!? A new kind of competitive festival, crowded with Chaldea's Servants...begins now!

          Clear Free Quests to Collect Event Items!

          During the event there will be Free Quests featuring teams of Servants. The quests will have seven levels of difficulty and each will have differing Servants, rewards, and challenges awaiting you. In addition, as the schedule progresses, 'First Challenge Stage' quests will be switched out to a new group of quests with new challenges.Please note that these quests are running on a set schedule and will not be available after their period ends even if the event is still ongoing.

          Illya's Karakuri Castle Pass ↓ Use Illya's Karakuri Castle Pass to get a variety of items from the Prize Roulette! Equip Event Limited Craft Essence '★5 (SSR) Winner's Eye' to increase the amount per drop of Illya's Karakuri Castle Pass! ─ ─ ─ ─ Karakuri Helmet Karakuri Water Gun Karakuri Kneepads ↓ Collect lots and exchange them for valuable rewards!

          Check the official news article for the quest schedule

          See the Official News Article Here

              Take On Super Difficult Stage Quests as They Unlock Daily!

              Super Difficult Stage Quests, battle quests with unique sets of rules, will unlock daily. Clear each of the six different types and get a Summon Ticket as a reward! * Super Difficult Stage Quests do not fall under the category of 'High Difficulty Quest' or 'Ultra High Difficulty Quest'. They are separate quests with a recommended level of 80.

              Check the official news article for the quest schedule

              See the Official News Article Here

                  New Servant!

                  Kashin Koji Assassin SSR★★★★★ Illustrator: Mai Yoneyama Voice Actor: Asami Seto

                      Check Out the Event Trailer!

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                          Distribution Period: 2025-04-24 ~ 05-07 20:59 PDT

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                              Distribution Period:2025-04-24 ~ 05-07 20:59 PDT

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