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Arknights: Endfield

Umbral Monument Endgame Guide

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★ Version 1.1: Release Date | Livestream
★ Tangtang (Guide | Banner) | Rossi (Guide | Banner)
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★ AIC Guides: Early | Mid | Late Game
★ Hot: Essence Tool | Blueprint | Best Dijiang Setup

Arknights Endfield - Umbral Monument Guide
Umbral Monument is a permanent endgame mode that features three stages in Normal and Agony modes. Check the best characters to use for the current series, all available stages, schedule, how to unlock, how to play, and all the rewards here!

List of Contents

Umbral Monument Series Schedule

All Series Schedule

Inorganic Construct Countdown

Server Countdown
Asia Inorganic Construct is Out!
NA / Europe Inorganic Construct is Out!

Current Umbral Monument Series

Arknights Endfield - Inorganic Construct
Inorganic Construct
Release Date Feb. 22, 2026

The latest Umbral Monument series, Inorganic Construct, is available from February 22, 2026 and will be permanently available.

Upcoming Umbral Monument Series

Arknights Endfield - Searing Scars
Searing Scars
Release Date Mar. 26, 2026

The upcoming addition in the Umbral Monument Series, Searing Scars, will be available on March 26, 2026 across all servers!

Current Umbral Monument Stages

Inorganic Construct Stage Details

Stage Description and Mechanics
Stage 1 Enemies recover from Staggered more quickly, are harder to interrupt, and have greatly increased ATK range. Heavy Sting α gains temporary immunity against all DMG regularly; defeat all Sting α to remove this immunity buff. Tacticals and consumables cannot be used.
Stage 2 Enemies move faster and recover from Staggered more quickly. When an enemy is defeated, the remaining enemies become harder to interrupt, and continuously gain ATK and HP restoration. Tacticals and consumables cannot be used.
Stage 3 Operator stamina is greatly reduced. Enemies are stronger and immune to Stagger. The Walking Chrosopolis's weakpoint exposure ends more quickly. The Walking Chrosopolis gains a massive ATK buff if its weakpoint is not destroyed when exposure ends. Tacticals and consumables cannot be used.

Best Team for Stage 1

Physical Team
Endfield Endministrator Endministrator Endfield Chen Qianyu Chen Qianyu Endfield Pogranichnik Pogranichnik Endfield Lifeng Lifeng
Laevatain Hypercarry Team
Endfield Laevatain Laevatain Endfield Wulfgard Wulfgard Endfield Akekuri Akekuri Endfield Ardelia Ardelia
Avywenna Premium Team
Endfield Avywenna Avywenna Endfield Arclight Arclight Endfield Perlica Perlica Endfield Gilberta Gilberta
Last Rite Hypercarry Team
Endfield Last Rite Last Rite Endfield Xaihi Xaihi Endfield Fluorite Fluorite Endfield Ardelia Ardelia

Bolts and Shadows Stage 1 Guide

Best Team for Stage 2

Physical Team
Endfield Endministrator Endministrator Endfield Chen Qianyu Chen Qianyu Endfield Pogranichnik Pogranichnik Endfield Lifeng Lifeng
Yvonne Cryo Team
Endfield Yvonne Yvonne Endfield Last Rite Last Rite Endfield Xaihi Xaihi Endfield Fluorite Fluorite
Avywenna Premium Team
Endfield Avywenna Avywenna Endfield Arclight Arclight Endfield Perlica Perlica Endfield Gilberta Gilberta
Laevatain Hypercarry Team
Endfield Laevatain Laevatain Endfield Wulfgard Wulfgard Endfield Akekuri Akekuri Endfield Ardelia Ardelia

Rampaging Shields Stage 2 Guide

Best Team for Stage 3

Avywenna Premium Team
Endfield Avywenna Avywenna Endfield Arclight Arclight Endfield Perlica Perlica Endfield Gilberta Gilberta
Yvonne Cryo Team
Endfield Yvonne Yvonne Endfield Last Rite Last Rite Endfield Xaihi Xaihi Endfield Fluorite Fluorite
Laevatain Hypercarry Team
Endfield Laevatain Laevatain Endfield Wulfgard Wulfgard Endfield Akekuri Akekuri Endfield Ardelia Ardelia
Last Rite Hypercarry Team
Endfield Last Rite Last Rite Endfield Xaihi Xaihi Endfield Fluorite Fluorite Endfield Ardelia Ardelia

Rock Solid Stage 3 Guide

How to Unlock Umbral Monument

Complete Paving the Way Mission

Arknights Endfield Paving the Way Mission Guide.png

To unlock Umbral Monument, you need to complete the Chapter I Process II: Paving the Way main mission.

Paving the Way Main Mission Guide

Reach Authority Level 30

Arknights Endfield - Authority Level Menu.png

An additional requirement to unlock Umbral Monument is to reach Authority Level 30. You can earn Operational EXP by spending sanity points, playing through missions, and finishing daily tasks.

How to Level Up Fast - Authority Level Guide

How to Play Umbral Monument

  1. Defeat Enemies Within the Time Limit
  2. Deploy a Team of Four Operators
  3. Cannot Use Tacticals in Agony Mode

Defeat Enemies Within the Time Limit

Arknights Endfield - Defeat Enemies Within the Time Limit
Each Umbral Monument stage features a time limit to defeat enemies. As long as you complete the stage before the timer runs out, you will receive the full set of rewards.

Deploy a Team of Four Operators

Deploy a Team of Four Operators for Each Stage.png

Before starting an Umbral Monument stage, you must deploy a maximum of 4 Operators for each battle. Each stage has its own mechanics and recommended operator level. Plan your team and gear up your operators to deploy for each stage!

Cannot Use Tacticals in Agony Mode

Tacticals.png

Tacticals are consumable items operators can use during combat. Although you can use Tacticals in Normal mode, you cannot use Tacticals during combat in Agony mode.

Umbral Monument Rewards

First Time Rewards

T-Creds T-Creds Advanced Cognitive Carrier Advanced Cognitive Carrier Mark of Perseverance Mark of Perseverance
Protohedron Protohedron Arms INSP Set Arms INSP Set

Clearing the stages for the first time will reward you with Mark of Perseverance, T-Creds, Advanced Cognitive Carrier, Arms INSP Set, and Protohedron as rewards.

Obtain a Medal for Completing a Series

Arknights Endfield - Medal Rewards

Engraved medals can also be obtained for completing every stage of a series in Normal mode. Complete all stages in Agony mode, and Endmins can receive a trimmed version of the Engraved Medal instead!

All Medals and Achievement List

Monumental Etching: Old Wounds Rewards

Arknights Endfield - Monumental Etching - Old Wounds

Monumal Etching: Old Wounds is an event that will be running at the same time for this gamemode. This event rewards players with Oroberyls when they complete the objectives for the current series.

Monumental Etching: Old Wounds Event

Umbral Monument Overview

Released on February 12, 2026

Arknights Endfield - Umbral Monument
Release Date February 12, 2026 (Server Time)

Umbral Monument is an endgame mode that was first released on February 12, 2026 (Server Time) during Phase 2 of Version 1.0. The gamemode was announced during the Version 1.0 Livestream.

Version 1.0 Livestream Summary

Endgame Mode Available in Series

Endgame Mode Available in Series

Umbral Monument is the newest endgame mode, which includes multiple stages to progress through.

Available in Normal and Agony Mode

Umbral Monument Modes

Umbral Monument stages are divided into Normal and Agony modes. Complete the Normal mode to unlock the Agony mode, which is significantly harder and more challenging.

Arknights: Endfield Related Guides

Arknights Endfield - Back to Top
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Arknights Endfield - News and Game InfoNews and Game Info Arknights Endfield Characters PartialCharacters
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Arknights Endfield - Message BoardMessage Board Arknights Endfield MapsInteractive Map
Arknights Endfield - BossesBosses Arknights Endfield - EnemiesEnemies
Arknights Endfield Etchspace SalvageEtchspace Salvage Arknights Endfield - Umbral MonumentUmbral Monument
Arknights Endfield Regional DevelopmentRegional Development Management Arknights Endfield Delver of the CrypticDelver of the Cryptic

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