Starting 2025-04-24 PDT (GMT -7), we'll be holding the Limited Time Event "Illya's Karakuri Castle - Kashin Koji's Modest Ambition"!
Set in the minute Singularity "Illya's Karakuri Castle" located inside the combat simulator, conquer a wide variety of stages in order to reach the goal!

Event Period:
2025-04-24 01:00 - 05-07 20:59 PDT (GMT -7)

Event Eligibility:
Masters who have fulfilled the following requirements may participate. - Clear "Singularity F: Flame Contaminated City, Fuyuki"
* In-game graphics may vary from the images used within this article. * Certain quests will be unlocked at a later date.

Eligibility:
Masters who have cleared "Singularity F: Flame Contaminated City, Fuyuki" by 2025-04-23 20:59 PDT (GMT -7) will be eligible to receive the presents. * You must have cleared the Singularity and the "CLEAR" icon must be displayed on the quest banner in the Terminal by the date and time above in order to be considered eligible.

In the Limited Time Event "Illya's Karakuri Castle - Kashin Koji's Modest Ambition", you can exchange event items you get by clearing Free Quests for various rewards, and collect Illya's Karakuri Castle Passes to participate in a roulette that awards a variety of items.
In addition, you can earn Summon Tickets by clearing the Super Difficult Stage Quests that will be unlocked on a daily schedule.

Event quests will be unlocked daily and can be challenged by clearing the previous event quest.
In addition, Free Quests where you can gather event items will be unlocked as the schedule progresses.
The Free Quests will be held on a set schedule and will not be available after their period ends, even if the event is still ongoing.

* The epilogue will be unlocked upon clearing all Super Difficult Stage Quests.

Super Difficult Stage Quests are quests exclusive to this event that will be unlocked on a daily schedule.
There are six types of quests, each with different, special rules!
You will receive a Summon Ticket as a reward for clearing each Super Difficult Stage Quest.
The Super Difficult Stage Quests will be unlocked according to the schedule below, and can be challenged by clearing the previous Super Difficult Stage Quest.

* 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.

During the event period, Free Quests featuring multiple Servants will appear.
The Free Quests will have seven levels of difficulty and each will have differing Servants, rewards, and challenges awaiting you.

In addition, "First Challenge Stage" quests will be switched out to a new group of quests as the schedule progresses, with the content of the quests changing as well.
These quests are running on a set schedule and will not be available after their period ends, even if the event is still ongoing.

(Added on April 24th)

There are ten lineups that include Grand Prizes! Claim the Grand Prize and any other items you're interested in, then press "Prize Reset" to move on to the next lineup!

Illya's Karakuri Castle Pass Exchange Period:
2025-04-24 01:00 - 05-14 20:59 PDT (GMT -7)

Spin the Roulette 100 Times at Once From the 11th Lineup
Once you have finished ten lineups that include Grand Prizes, starting with the 11th you will be able to spin up to 100 times at once.

* If you do not have enough Illya's Karakuri Castle Passes to spin 100 times, you can instead spin for whatever the max number of spins you currently have available is.

Tournament Prizes Lineup:

Hints and Strategies, Part 1
For the duration of the event period, the Servants listed below will receive an ATK strength bonus and a Bond Points gained bonus!
Strengthen the eligible Servants to help you in the event!

* Bonus amounts will vary by Servant.

Event Bonus Eligible Servants and Bonus Amounts:

* From 2025-04-24 01:00 PDT (GMT -7), an event bonus filter will be added to the Servant Selection and Servant Enhancement screens. Use this filter to conveniently display only the Servants who will receive a bonus in the event.

Hints and Strategies, Part 2
Equip Event Limited Craft Essences and Limited Time Craft Essences to receive various benefits within the event.

Equip Event Limited Craft Essence "★5 (SSR) House of Repose", available through the tournament prize roulette, to gain an ATK bonus for the equipped Servant within the Limited Time Event "Illya's Karakuri Castle - Kashin Koji's Modest Ambition".
In addition, equip Event Limited Craft Essence "★5 (SSR) Winner's Eye", available through Event Item Exchange, to gain a bonus to the amount per drop of event item Illya's Karakuri Castle Pass!

Plus, equip Limited Time Craft Essences "★5 (SSR) Princess in Silks", "★4 (SR) Diviner's Eight Stone Leap", and "★3 (R) Gimmick Master", available through the ongoing Pickup Summons, to gain a bonus to the amount per drop of event items Karakuri Water Gun, Karakuri Helmet, and Karakuri Kneepads, respectively.

* Please be aware that the item drop rate is not 100%.

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Event items can be exchanged for the following items through "Event Item Exchange", accessible from the "Event Shop" button in the upper right corner of the Terminal.

* Crystallized Lore and Hero Crystal: Corona Fou ALL ★4 (ATK) will become available for exchange after you clear the Main Quest of this event. * The following items will disappear at the end of the exchange period: Tea-Serving Sitonai Doll, Karakuri Water Gun, Karakuri Helmet, and Karakuri Kneepads.

Exchange Period:
2025-04-24 01:00 - 05-14 20:59 PDT (GMT -7)

Items Obtainable with Tea-Serving Sitonai Doll:

Items Obtainable with Karakuri Water Gun:

Items Obtainable with Karakuri Helmet:

Items Obtainable with Karakuri Kneepads:

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The "Illya's Karakuri Castle Kashin Koji Pickup Summon" will also be ongoing for a limited time!
Please see the article linked below for more information.

"Illya's Karakuri Castle Kashin Koji Pickup Summon" Details: