Scroll of autumn, unfurling over rugged trails and peaks.

Dear Endministrator,
Welcome to the new version, [Sanctuary of Ink]!

▼// Maintenance Update & Compensation Details
■ Update & Maintenance Time
Asia Server: Oct. 15, 2026 at 06:00 – Oct. 15, 2026 at 12:00 (UTC+8)
Americas / Europe Server: Oct. 14, 2026 at 17:00 – Oct. 14, 2026 at 23:00 (UTC-5)

※ The server reopening time after maintenance may be earlier or later than scheduled. Please check the official announcement for details.

■ Maintenance Update & Bug Fix Compensation Details
· Update & Maintenance Compensation: [Oroberyl]×900
· Bug Fix Compensation: [Oroberyl]×900
· Distribution Period: After the update and maintenance – Before the next version update and maintenance
· Eligibility: Create a character before the update
· Note: Update & Maintenance Compensation and Bug Fix Compensation will be sent in two separate in-game mails after the [Mail] feature is unlocked. The mails will expire during the next version update and maintenance, so be sure to claim the compensations in time.

■ Update Notes
This update is mandatory. After the update is complete, you will need to re-download and reinstall the game client. Once the version update and maintenance begin, you can follow the in-game instructions to proceed with the update.
· iOS: Enter the App Store and tap [Update].
· Android: Enter the game and follow the pop-up prompts to complete the update.
· PlayStation®5: Go to the home screen, select [Arknights: Endfield], press the controller's [OPTIONS] button, select [Check for Update], and confirm the update.
· PC: After closing the game, restart the GRYPHLINK launcher and click [Update].

※ After [Sanctuary of Ink] version update, some content will unlock gradually over time as your exploration progresses. Please refer to the in-game version for the actual update details.

▼// New Version Content
■ New Stories
1. Main Missions
Available up to [Chapter II Process VIII: Paint with Fresh Ink].
2. Exploration Missions
[Miscellanies on Rampage], [Post Destination], [A Painting Open for Business], [Farming Automation]
3. Side Missions
[Back to the Rustics], [Unrequited Love], [The Story Continues], [A Day to Remember], [Yuanyuan Innkeeper I], [Yuanyuan Innkeeper II], [Yuanyuan Innkeeper III]

■ New Operators
6★ operators [Si], [Argent Flow]

■ New Weapons
6★ weapons [Jade Vessel (Greatsword)], [Lunar Calling (Sword)], [Long Heritage (Greatsword)], [Complexed Industry (Sword)]

■ New Enemies
[Fortune's Stash], [Scroll of Tactics], [Simmer's Purge], [Maned Measure], etc.

■ New Areas
[Wuling - Si's Painting]

■ New Headhunting Events and Issues
1. [Rejuvenation] Chartered Headhunting
· Availability: After [Sanctuary of Ink] version update – Nov. 5, 2026 at 11:59 (server time)
· Headhunting Details: [Rejuvenation] Chartered Headhunting features the Rate-UP 6★ operator [Si]. 6★ operators that may appear in [Rejuvenation] Chartered Headhunting include: Si / Typhoeus / Liino / Ember / Lifeng / Ardelia / Last Rite / Pogranichnik.
· During [Rejuvenation] Chartered Headhunting, [Combat Drills] will also become available for trying out the 6★ operator [Si]. Complete the specified stage with the preset team that includes the trial operator and go to the [Event Center] screen to claim [Oroberyl]×100, [Arsenal Defense Crate], [Mark of Perseverance], and other rewards. The [Arsenal Defense Crate] contains a Fully Artificed Level 60 Gear Set that is a good fit for the current trial operator. You can also exchange for [Spirit's Restoration HH Permit] at a discount in [AIC Quota Exchange]. Up to [Spirit's Restoration HH Permit]×5 can be exchanged.
2. [Seal of Jade Issue] Arsenal Issue Open
· Availability: Opens after [Sanctuary of Ink] version update; ends after 3 [Chartered Headhunting] banners (starting from [Rejuvenation])
· Issue Details: [Seal of Jade Issue] Arsenal Issue features the Rate-UP 6★ weapon [Jade Vessel (Greatsword)]. 6★ weapons that may appear in [Seal of Jade Issue] Arsenal Issue include: Jade Vessel (Greatsword) / Former Finery (Greatsword) / Wedge (Handcannon) / JET (Polearm) / Chivalric Virtues (Arts Unit) / Sundered Prince (Greatsword) / Eminent Repute (Sword).
3. [Ancestral Spring Flows Anew] RE-Factor Headhunting #1
· Availability: Oct. 29, 2026 at 12:00 – Nov. 19, 2026 at 11:59 (server time)
· Headhunting Details: [Ancestral Spring Flows Anew] RE-Factor #1 Headhunting features the Rate-UP 6★ operator [Tangtang]. 6★ operators that may appear in the [Ancestral Spring Flows Anew] RE-Factor Headhunting #1 include: Tangtang / Ember / Lifeng / Ardelia / Last Rite / Pogranichnik.
4. [Tender Sprig Issue] RE-Factor Issue #1 Open
· Availability: Oct. 29, 2026 at 12:00 – Nov. 19, 2026 at 11:59 (server time)
· Issue Details: [Tender Sprig Issue] RE-Factor Issue #1 features the Rate-UP 6★ weapon [Brigand's Calling (Handcannon)]. 6★ weapons that may appear in [Tender Sprig Issue] RE-Factor Issue #1 include: Brigand's Calling (Handcannon) / Clannibal (Handcannon) / Wedge (Handcannon) / Chivalric Virtues (Arts Unit) / Thermite Cutter (Sword) / Sundered Prince (Greatsword) / JET (Polearm).
5. [The Hearth Fire Beckons the Starry Flow] Chartered Headhunting
· Availability: Nov. 5, 2026 at 12:00 (server time) – Before version update and maintenance
· Headhunting Details: [The Hearth Fire Beckons the Starry Flow] Chartered Headhunting features the Rate-UP 6★ operator [Argent Flow]. 6★ operators that may appear in [The Hearth Fire Beckons the Starry Flow] Chartered Headhunting include: Argent Flow / Si / Typhoeus / Ember / Lifeng / Ardelia / Last Rite / Pogranichnik.
· During [The Hearth Fire Beckons the Starry Flow] Chartered Headhunting, [Combat Drills] will also become available for trying out the 6★ operator [Argent Flow]. Complete the specified stage with the preset team that includes the trial operator and go to the [Event Center] screen to claim [Oroberyl]×100, [Arsenal Defense Crate], [Mark of Perseverance], and other rewards. The [Arsenal Defense Crate] contains a Fully Artificed Level 60 Gear Set that is a good fit for the current trial operator. You can also exchange for [The Stars Are With Me HH Permit] at a discount in [AIC Quota Exchange]. Up to [The Stars Are With Me HH Permit]×5 can be exchanged.
6. [Moongleam Issue] Arsenal Issue Open
· Availability: Opens Nov. 5, 2026 at 12:00 (server time); ends after 3 [Chartered Headhunting] banners (starting from [The Hearth Fire Beckons the Starry Flow])
· Issue Details: [Moongleam Issue] Arsenal Issue features the Rate-UP 6★ weapon [Lunar Calling (Sword)]. 6★ weapons that may appear in [Moongleam Issue] Arsenal Issue include: Lunar Calling (Sword) / Thermite Cutter (Sword) / White Night Nova (Sword) / Valiant (Polearm) / Oblivion (Arts Unit) / Clannibal (Handcannon) / Exemplar (Greatsword).

※ For more headhunting and issue details, please check in-game.

■ New Events
1. [Yuanyuan's Blazing Stoves] Fun & Games Event
· Event Time: After [Sanctuary of Ink] version update – Before the next version update and maintenance
· Event Content Update Time: Oct. 22, 2026 at 04:00 (server time)
· Event Details: Visit the [Si's Painting] area in [Wuling], manage [Yuanyuan Manor Inn], complete the corresponding Session Tasks, and increase your Inn Milestones to claim rewards including [Oroberyl]×1000 and [Mark of Perseverance].
※ After the [Yuanyuan's Blazing Stoves] Fun & Games Event ends, you will no longer be able to complete Session Tasks or claim the corresponding rewards. However, you can still play Yuanyuan Manor Inn and claim Inn Milestone Phase rewards.
2. [Spirit's Restoration] Sign-In Event
· Event Time: After [Sanctuary of Ink] version update – Nov. 5, 2026 at 11:59 (server time)
· Event Details: Sign in for a total of 7 days to earn rewards such as [Spirit's Restoration HH Permit]×5.
3. [All the Inky Hues] Guide Event
· Event Time: After [Sanctuary of Ink] version update – Nov. 5, 2026 at 12:00 (server time)
· Event Details: Visit the [Si's Painting] area in the region of [Wuling] and complete specified missions to earn event rewards such as [Oroberyl]×1200 and [Mark of Perseverance].
4. [Carly's Verdant Anthology] Camera Event
· Event Time: Oct. 22, 2026 at 12:00 – Nov. 5, 2026 at 04:00 (server time)
· Event Details: Complete camera missions to earn event rewards that include: [Oroberyl]×1500, [Portrait Frame: Carly's Verdant Anthology], [Mark of Perseverance].
5. [Contingency Readiness] Limited-Time Event
· Event Time: Oct. 29, 2026 at 04:00 – Nov. 5, 2026 at 04:00 (server time)
· Event Details: During the event, complete specified missions every day to receive rewards including [Sanity Usage Permit], [Emergency Sanity Booster], [Wuling Artificing Catalyst], and [Coolant Gel].
6. [Arena of Games] Challenge Event
· Event Time: Oct. 29, 2026 at 12:00 – Nov. 19, 2026 at 04:00 (server time)
· Event Content Update Time: Nov. 11, 2026 at 04:00 (server time)
· Event Details: During the event, take on [Arena of Games] challenges to earn Arena Points. Reach every tier in [Arena Milestone] to earn rewards including [Oroberyl]×1200 and [Mark of Perseverance].
7. [New Era for the Myriad Souls] Fun & Games Event
· Event Time: Oct. 31, 2026 at 12:00 – Nov. 14, 2026 at 04:00 (server time)
· Event Details: Visit the event page, then add actors and props to complete a story shoot, unlock different endings, and claim rewards such as [Oroberyl]×300 and [T-Creds].
8. Argent Flow Narrative Event [Back to the Rustics]
· Event Time: Nov. 5, 2026 at 12:00 (server time) – Before version update and maintenance
· Event Details: Complete the side mission [Back to the Rustics] to earn [Oroberyl]×600, [Elementary Cognitive Carrier], and other rewards.
※ After the narrative event page is removed, you can still play this side mission from [Mission] and earn the rewards if you meet the participation requirements.
9. [The Stars Are With Me] Sign-In Event
· Event Time: Nov. 5, 2026 at 12:00 (server time) – Before version update and maintenance
· Event Details: Sign in for a total of 7 days to earn rewards such as [The Stars Are With Me HH Permit]×5.
10. [Contingency Contract: Indigo Experimental Operation] Challenge Event
· Event Availability: Nov. 5, 2026 at 12:00 (server time) – Before version update and maintenance
· Event Content Update Time: Nov. 12, 2026 at 12:00 (server time)
· [Secret Sanctuary] Availability: Nov. 5, 2026 at 12:00 – Dec. 2, 2026 at 04:00 (server time)
· Event Details: During the event, you can select any combination of Test Criteria for the challenge, and try to complete it. Complete event missions to earn rewards such as [Portrait: Silverblade Medal], [Portrait Frame: Contingency Respondent] and [Vitrified Indigo]. Spend [Vitrified Indigo] at the [Secret Sanctuary] to exchange for great rewards including [Oroberyl]×2000, [Sticker: Contingency Resolved], and [Advanced Progression Selection Crate II].
11. [Sanity Supply] Limited-Time Event
· Event Time:
Asia Server:
Nov. 18, 2026 at 04:00 – Nov. 25, 2026 at 04:00 (server time)

Americas / Europe Server:
Nov. 18, 2026 at 04:00 – Nov. 24, 2026 at 17:00 (server time)
· Event Details: During the event, complete specified missions every day to claim Sanity Supply rewards: [Sanity Usage Permit] and [Emergency Sanity Booster].

■ Event & Gameplay Updates
1. [Echoes of War] Permanent Challenge Mode Update
○[Season of Phantasia]
"· Season Update: After [Sanctuary of Ink] version update – Nov. 5, 2026 at 11:59 (server time)
· Update Notes: New season [Season of Phantasia] is available. This season features 3 cycles, each including 3 stages. [Season of Phantasia] adds 3 new stages. Clear all new stages on Normal difficulty to claim rewards including [Oroberyl]×300."
○[Season of Fervor]
· Season Update: Nov. 5, 2026 at 12:00 (server time) – Before version update and maintenance
· Update Notes: New season [Season of Fervor] is available. This season features 3 cycles, each including 3 stages. [Season of Fervor] adds 3 new stages. Clear all new stages on Normal difficulty to claim rewards including [Oroberyl]×300.
2. [Umbral Monument] Challenge Gameplay Updated, [Murmurs of the Deep Forest] Stages Available
· Availability: Oct. 22, 2026 at 12:00 (server time)
· Update Details: This [Umbral Monument] update will introduce a new series, [Murmurs of the Deep Forest], featuring 4 stages. Complete all stage challenges to earn event rewards that include [Mark of Perseverance], [Advanced Cognitive Carrier], [Arms INSP Set], and [Protohedron].
[Monumental Etching: Forest of Maras] limited-time challenge event will also be available once the gameplay mode is updated.
· Event Time: Oct. 22, 2026 at 12:00 – Nov. 5, 2026 at 04:00 (server time)
· Event Details: Upon the release of the [Murmurs of the Deep Forest] series, the [Monumental Etching: Forest of Maras] limited-time event will begin. During the event, complete various [Umbral Monument] challenges to claim rewards including [Oroberyl]×1200 and [Advanced Progression Selection Crate II].
3. [Delver of the Cryptic] Spatial Set Update
· Update Time: Nov. 12, 2026 at 12:00 (server time)
· Update Notes: This [Delver of the Cryptic] puzzle-solving event will introduce the new spatial set [Fade Beyond the Painting]. 3 Protocol Spaces will be available initially, and 3 more will become available on Nov. 19, 2026 at 04:00 (server time). Complete the spatial set challenges to claim rewards including [Oroberyl]×1200 and [Mark of Perseverance].

※ For more event and gameplay info, stay tuned for our official announcements.

■ Acquisition Center Update
· [Protocol Pass: Ink Scroll] is available. During the [Sanctuary of Ink] version period, you can acquire various support items listed by the Arsenal Engineers in the [Protocol Pass]. Activating each seasonal Protocol Pass unlocks the [Basic Supply] tier by default. Level up the Pass to earn rewards such as [Basic HH Permit], [Oroberyls], [Exchange Crate-o-Surprise], and [Progression Materials]. The reward [Advanced Progression Selection Crate I] has been changed to [Advanced Progression Selection Crate II], and [Warp Plasma-Coated Slide] has been added as a selectable progression material.
· Added in [Acquisition Center - Bundles]: [Wondrous View Collection Pack], [Protocol Flow Bundle], [Omnipresence HH Bundle], [Star River HH Bundle]. The purchase limit for [Value Arsenal Ticket Pack] is reset.

※ For more bundles and their details, visit the in-game [Acquisition Center - Bundles].

■ AIC Factory
· Raised the Regional Development Level cap for the [Wuling] region. Raised the level cap of [Wuling – Yinglung Pass] Stock Redistribution Terminal. Added new exchangeable goods to [Wuling Stock Redistribution].
· Added New Facility [Auto-Farmer]: After the [Auto-Farmer] is unlocked, it can perform Auto-Germinate and Auto-Harvest in the Farm in [Si's Painting]. As the story progresses, the [Auto-Farmer] will also become available in the farming area of [Wuling City].

■ Combat System
· Added a feature to adjust combo skill priority. You can now set the priority order of combo skills on the Team screen, so that when multiple combo skills are triggered simultaneously, they can be released in your preset order.
· Added Team06 and Team07: You can now edit and save more teams on the Team screen.

■ System
· Added New Feature [Gear Plan]: Save and name multiple gear plans to quickly switch between setups for different lineups.
· Added New Feature "LTO Sanity Meds Auto-Use Upon Expiration": When limited-time only (LTO) Sanity Meds expire, they will be auto-converted into Sanity. If the Sanity limit is reached, the excess will be converted into [Sanity Essences] using [Sanity Extractors]. Sanity Essences do not expire. If the Sanity limit is reached and you can't hold any more [Sanity Essences] or have no [Sanity Extractors] available, any remaining LTO Sanity Meds will be destroyed.
· Added New Feature "Cabin Shift Rotation": Each cabin can have up to two operator shifts (A and B). Use [Activate Shift] to change shifts manually, or [Auto-Rotate]. Please note that cabin production may be halted if the estimated work time of a shift cannot cover the work schedule.

■ Others
· Added content such as [Operator Guide], [Energy Alluvium], [RE-Crisis], [NPC], [Engraved Medal], [Profile Theme], [Portrait], [Portrait Frame], [Filter], [Sticker], [Consumable], [Material], [Sanity Meds], [Database Entry], [Clue Dossier], [Personal Device], [Ornamental], [Vinyl], [Camera Pose], [Regional Aurylene Submission Phase], and more. These will gradually unlock as you progress.
· Added new gear pieces to Gear Sets [Type 50 Yinglung], [Pulser Labs], [Eternal Xiranite], [Rift Trekker], and [AIC Fieldwork].
· Added rare progression material [Warp Plasma-Coated Slide].

▼// Optimizations & Adjustments
■ Missions
· Fixed the display logic for the mission [Freedom of Expansion]. If you have any unfinished urgent missions, the mission [Freedom of Expansion] will not be displayed. It will automatically appear once all the urgent missions have been completed.
· Optimized the guidance and the way to accept the exploration mission [Treasures of the Past].

■ Combat
· Adjusted the description for 6★ operator [Tangtang]'s ultimate from "Tangtang opens her eyepatch and unleashes an OLDEN STARE from her eye that temporarily locks down, immobilizes [...] enemies within its area of effect." to "Tangtang opens her eyepatch and unleashes an OLDEN STARE from her eye that applies temporary Immobilization [...] to enemies within its area of effect (AOE)." The [Immobilization] effect is "A target affected by Immobilization cannot perform any actions for the duration of this effect." This adjustment only changes the text description. The actual effects of the skill remain unchanged.
· Optimized Enemy Targeting: During battle, you can now long-press the lock-on button to bring up a reticle. You can then rotate the camera to aim at an enemy and release the button to lock onto the nearest enemy. Existing targeting and lock-on functions remain available after this adjustment.
· Improved the vibration feedback for 6★ operator [Liino]'s battle skill and ultimate when not the controlled operator.

■ Events & Gameplay
· Fixed the card-drawing animation for [Trial of Swordmancy] on mobile.

■ Voice Languages and Sound Effects
· Improved the Chinese voice acting for certain NPCs on [OMV Dijiang].
· Improved the English voice acting for certain voice lines.

■ AIC Factory
· Optimized Facility Placement Experience: You can now place a facility directly if you have it in your Backpack or any depot, or if you have enough materials in any depot to construct it.
· Optimized Farming Experience : [Top view mode] is now available in farming areas, and plots can now be placed tightly together. [Fertilization] options allow you to enable Fertilization Assist and configure its settings. Once a fertilizer is selected, the operators on your team will use it to fertilize plots.
·Optimized Farming Area Map Marker: Viewing the overall status of farming areas and [Auto-Farmer]-related information is now supported.
· Delivery Job Experience Optimized: Transferred delivery jobs that aren't accepted within a certain time will be picked up and completed by other helpers instead of expiring. When accepting jobs, every region will have plenty of jobs available.

■ System
· Optimized Gear Artificing: On the [Select items to consume] screen, a new [Assembly] tab has been added that automatically filters for gear that can be used as artificing material. You can either manually adjust the amount or use Auto-Fill to quickly assemble the gear required and use it for artificing, without having to switch between interfaces.
· Optimized Clue Collecting and Gifting: In [Control Nexus Task], you can now collect and fill clues gifted by friends with one click. Duplicate clues can also be gifted to friends who need them in one click.
· Optimized Friend Visit Experience: You can now use the [Visit Next] option or its shortcut to directly go to the next friend's ship.
· Optimized Operator Display Effect: New visual effects have been added to the [Friends List] and [Profile] screens for max-potential 6★ operators. Max-potential 6★ operators will also display their special effects when walking around Dijiang.
· Optimized Camera Sticker: New support has been added for rotating and scaling stickers, placing multiple stickers at once, and clearing all placed stickers with one click.
· Optimized Controller Support Experience: Controls have been optimized for progressions, delivery jobs, stage results, and other features. This covers interfaces such as [Operator - Overview], [Operator - Ability Matrix], [Operator - FILE], [Weapon - Potential], and [Regional Development - Depot Node].

■ Others
· Adjusted the monster type information for [Woodcraft Wanderer] in the database. Its type has been changed from [elite] to [advanced].
· Optimized Certain Environmental Details: Fallen leaves now flutter in response to operators' movements, skill casting, and wind in the environment.
· Optimized the models, clothing, special effects, movements, camera work, and other presentation aspects of certain operators in certain situations.
· Optimized the models, clothing, special effects, movements, camera work, and other presentation aspects of certain NPCs and enemies in certain situations.
· Optimized the models, animations, visual effects, and presentation aspects of certain environments, weapons, and stages in certain situations.
· Optimized the visuals, special effects, interaction logic, and text descriptions for certain interfaces.
"· Optimized the text related to Arts DMG increases in weapon effect descriptions. The actual effects remain unchanged.
· Optimized some control-related text prompts in Typhoeus's Archery Range based on actual gameplay experience.
· Optimized some Protocol Pass mission descriptions.
· Optimized some story text.
· Optimized the text descriptions for some events.
· Optimized the text descriptions for acquiring and trimming certain engraved medals.
· Optimized some mission names.
· Optimized the names and text descriptions for some items based on how they work in-game.
· Optimized some control-related UI prompts."

▼// Bug Fixes
■ Missions
· Fixed a circumstantial issue where certain enemies in the side mission [Endeavor of a Lifetime] would disappear, making it impossible to progress the mission.

■ Combat
· Fixed an issue with visual effects when entering a [Protocol Space] in certain ways.
· Fixed an issue where operators had a chance to fall off cliffs when dodging via certain actions.
· Fixed a circumstantial issue where, if 6★ operator [Zhuang Fangyi] exited a dungeon after unleashing her ultimate, her Ultimate Energy status would not revert to what it was when she entered the dungeon.

■ System
· Fixed a circumstantial issue where interaction options could abnormally remain visible after teleporting.
· Fixed a circumstantial issue with the map zoom feature.
· Fixed a circumstantial issue where map markers could be displayed abnormally.
· Fixed a circumstantial issue where the main screen timer could abnormally remain visible.
· Fixed a circumstantial issue where the entry points of main screen features were arranged in the incorrect order.

■ Others
· Fixed an issue where certain decorative text on the model of the 6★ weapon [Artzy Tyrannical (handcannon)] did not display correctly.

Dear Endministrator,
This is the Arknights: Endfield Team.

Scroll of autumn, unfurling over rugged trails and peaks. Arknights: Endfield's Core Chapter Version, [Sanctuary of Ink], will officially launch on Oct. 15. Through this DEV Comm, we would like to share the major optimizations and adjustments that will be made in this version.

▼// View Full Article on Official Website
https://endfield.gryphline.com/news/7014