Into the Cave Doused in Enmity Event
The Into the Cave Doused in Enmity event is MementoMori's introductory event for its newest announced character, Rustica. Learn more about the events that players may enjoy and their release dates.
List of Contents
Into the Cave Doused in Enmity Event
Rustica's Entry to MementoMori
On February 28, 2025, MementoMori announced through its in-game notification that it would begin an event called Into the Cave Doused in Enmity that introduces Rustica to the Prayer of Fleeting Gacha and Invocation of Chance Gacha. This event will start on March 1, 2025.
Event Information
The Into the Cave Doused in Enmity event has a series of mini-events starting March 1, 2025. Below are the announced inclusions in the event:
- Prayer of Fleeting: Rustica
- Witch's Gift
- Limited-Time Availability as Character of Chance
- New Arcana
- Limited-Time Cave of Space-Time
- Limited-Time Event Shop
- Limited-Time Premier Gifts
- Lament Added to the Music Player: Rustica
Only users who have cleared the Main Quest 2-4 can participate in the limited-time Cave of Space-Time. Stay tuned for more information as it becomes available.
Prayer of Fleeting, Witch's Gift and Limited-Time Character of Chance
Rustica enters MementoMori with a new Arcana and Witch's Gift. She will be available as a new character in the Prayer of Fleeting and a Character of Chance for a limited time.
Limited-Time Cave of Space-Time
| Event | Duration |
|---|---|
| Limited Time Cave of Space-Time: Into the Cave Doused in Enmity | 4:00 March 1, 2025 - 3:59 March 11, 2025 (UTC-7) |
For the duration of the event, event encounters will appear in the Cave of Space-Time. Please note that if you reattempt an event encounter, the enemies with reduced HP will have 30% of their max HP restored.
The rewards for Hard Mode and Normal Mode will be the same and the difficulty will not change.
How to Clear the Cave of Space-Time Trial
Limited-Time Shop
| Event | Duration |
|---|---|
| Limited Time Cave of Space-Time: Into the Cave Doused in Enmity | March 1, 2025 - March 14, 2025 (UTC-7) |
For the duration of the event, there iwll be limited time Event Shop where you can use Swallow Brooches. You can obtain amazing items here, including Rune Tickets.
Portraits of the Pope can be obtained from the limited-time Cave of Space-Time, Daily Mission chests and Premier Gifts.
After March 11, 2025, Swallow Brooches will no longer be obtainable from the Daily Mission chest, so please be careful. When the event ends, all unused Swallow Brooches will remain in your Item Box and you can exchange them for Gold.
Limited Time Premier Gifts
For a limited time, special event packs will appear in Premier Gift. In the Event tab, limited-time bargain packs that contain Swallow Brooches will be available for purchase.
MementoMori Related Guides
Latest News
| Latest News | |
|---|---|
| 3rd Anniversary Campaign Events and Guide | 3rd Anniversary Countdown Presents Guide |
| Version 4.2.0 Update | Version 4.3.0 Update |
All Current Events
| Current Events | Duration |
|---|---|
 12/9, 12/14 Grand Battles! |
Round 1: December 9 (UTC-7) - December 14 (UTC-7) Round 2: December 23 (UTC-7) - December 28 (UTC-7) |
 Into the Cave of Miracle Seekers |
November 28, 2025 4:00 (UTC-7) - December 8, 2025 3:59 (UTC-7) |
All Patch Notes and Updates
| Version 4.2.0 | |
|---|---|
| 4.2.0 | 4.3.0 |
| Version 4.1.0 | |
| 4.1.0 | - |
| Version 4.0.0 | |
| 4.0.2 | 4.0.0 |
| Version 3.0.0 | |
| 3.23.1 | 3.23.0 |
| 3.22.0 | 3.21.2 |
| 3.21.0 | 3.20.0 |
| 3.19.2 | 3.19.0 |
| 3.18.0 | 3.17.0 |
| 3.16.0 | 3.13.0 |
| 3.12.0 | 3.11.0 |
| 3.10.0 | 3.9.0 |
| 3.8.0 | 3.7.0 |
| 3.6.0 | 3.5.0 |
| 3.4.0 | 3.3.0 |
| 3.2.0 | 3.1.0 |
| 3.0.1 | 3.0.0 |
| Version 2.0.0 | |
| 2.23.0 | 2.22.1 |
| 2.21.1 | 2.21.0 |
| 2.20.0 | 2.19.0 |
| 2.18.0 | 2.17.0 |
| 2.16.0 | 2.15.0 |
| 2.14.0 | 2.13.0 |
| 2.12.0 | 2.11.0 |
| 2.10.0 | 2.9.1 |
| 2.9.0 | 2.8.0 |
| 2.7.0 | 2.6.0 |
| 2.5.1 | 2.5.0 |
| 2.4.0 | 2.3.1 |
| 2.3.0 | - |
All News
All Previous Events
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