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Arknights: Endfield

Marker Stone Release Date

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★ Exclusive: Endfield's Connection to Arknights
★ Version 1.2: Release Date | Livestream
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Arknights Endfield Marker Stone

Marker Stone is a new area of the Wuling Region in Arknights: Endfield, releasing on April 17, 2026. Check out the features of the upcoming area here!

List of Contents

Marker Stone Release Date

Releases on April 17, 2026

Version 1.2 Release Date
1.2 Release Date
Phase 1 Apr. 17, 2026 at 12:00 PM (UTC+8)
Apr. 16, 2026 at 11:00 PM (UTC-5)
Phase 2 May 22, 2026 at 12:00 PM

Marker Stone will be added as a sub-region of Wuling on the launch of Version 1.2, At the Wake of Spring, on April 17, 2026.

Version 1.2 Release Date and Summary

Marker Stone Features

Cardiac Remediation Station Outpost

Arknights Endfield - Cardiac Remediation Station Outpost in Marker Stone

During the Version 1.2 Livestream, developers confirmed that the Marker Stone area will host the newest Outpost, the Cardiac Remediation Station.

Outpost Management and Level Guide

Precipitation Acid

Arknights Endfield - Marker Stone Precipitation Acid

Precipitation Acid is a new type of liquid that can be found in Marker Stone.

This new liquid needs more advanced technology to be harvested, such as the Acid Resistant Pump Mk. II and Purification Unit, which can be unlocked within Wuling AIC Plan III.

AIC Factory and Base Building Guide

Obstacles and Puzzles

Arknights Endfield - Marker Stone Puzzles and Pathways

Marker Stone has been teased to have a lot of ever-changing spaces, complex pathways and obstacles set up courtesy of Ardashir.

Anticipate a lot of challenges and puzzles before confronting him during the Main Mission!

Ardashir Character Guide

Arknights: Endfield Related Guides

Arknights Endfield Maps

All Endfield Interactive Maps

All Region Guides

Valley IV
The Hub Valley Pass
Aburrey Quarry Originium Science Park
Origin Lodespring Power Plateau
OMV Dijiang
Growth Chamber Manufacturing Cabin
Reception Room
Wuling
Jingyu Valley Wuling City
Qingbo Stockade

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Energy Alluvium Locations

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Arknights: Endfield Walkthrough Team
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