Arknights: Endfield Umbral Monument Endgame Guide 2026

It's time for the most awaited combat mode in Arknights: Endfield – the Umbral Monument! This epic endgame activity is newly introduced in the latest version update, challenging you to build the perfect teams to battle enemy waves and earn more rewards. Not sure how the combat mode works? This guide breaks down everything you need, including Umbral Monument mechanics, rewards, and the best teams to conquer enemy waves perfectly.

Umbral Monument Endgame Series Schedule

The Arknights: Endfield Umbral Monument Endgame mode will officially release on February 12, 2026, alongside the version update. It will feature two main series challenges during its run.

What is the Arknights: Endfield Umbral Monument?

The Arknights: Endfield Umbral Monument Endgame is one of the most anticipated and challenging game modes in the game. It is a high-difficulty combat mode that features periodic content updates, including new challenge series over time.

This mode was first introduced as an event-type mode during the Arknights: Endfield Beta 2 update. Now, it has officially launched as a permanent game mode for players who have completed the main story and built strong teams.

This combat mode features:

• Rotating series of challenging stages

• Two difficulty levels: Normal and Agony

• Team-building strategies to complete the challenges

• A limited-time bonus event called Monumental Etching

• Increased rewards based on your performance

Unlike story stages, Umbral Monument focuses on optimal team compositions, precise execution, and countering specific enemy waves to earn rewards.

Unlock Requirements for Umbral Monument

To engage in the Arknights: Endfield Umbral Monument Endgame combat mode, you must complete the following requirements:

• Complete Arknights Endfield Chapter 1 – Process II: Paving the Way in the main story

• Reach Authority Level 30

Once you have completed these requirements, you will unlock the combat mode starting with the first series, Those Forsaken by the Land, where you can complete challenges and earn rewards.

Tip: You can easily reach Authority Level 30 by spending Sanity points, completing daily tasks, and progressing through the main story.

Game Modes and Gameplay Mechanism

Before facing the Arknights: Endfield Umbral Monument Endgame combat mode, you need to understand how it works and what game modes are available.

Game Modes

The Umbral Monument Endgame combat mode runs under two main difficulty settings: Normal Mode and Agony Mode.

Gameplay Mechanism

The basic mechanism of the Arknights: Endfield Umbral Monument Endgame combat mode allows you to build an Operator team to engage in stage-wise battles. Each stage comes with simple gameplay mechanics such as:

Deploy a Maximum of 4 Operators per Stage

Each stage provides a recommended Operator level, a mechanics preview, and detailed enemy intel before starting. So, build the perfect team that is suitable for completing the stage.

Defeat All Enemies Within the Time Limit to Complete the Stage

You must defeat all enemies within 10 minutes to clear the stage. All waves must be eliminated before the timer runs out.

Agony Mode Removes Tactical Items

In Agony Mode, Tactical Items are not allowed. You must rely on Operator skills, dodging, healing, and proper positioning to complete the stages successfully.

Limited Time Event: Monumental Etching – Old Wounds

With the release of the new version update on February 12, 2026, alongside the Arknights: Endfield Umbral Monument Endgame combat mode, you can also participate in an additional limited-time bonus event: Monumental Etching – Old Wounds.

This event gives you an extra opportunity to earn rewards such as Oroberyl and other bonus items by completing simple challenges while engaging in the permanent Umbral Monument combat mode. This limited-time event is updated regularly with a new rewards track. So, make sure to complete all the challenges and earn additional rewards to enhance your gameplay progression.

Gameplay Rewards from Umbral Monument 

The new version update for the Arknights: Endfield Umbral Monument Endgame combat mode is a perfect opportunity to earn more rewards while completing stage-wise battles. Below is the rewards overview:

Best Team Comps for Umbral Monument Mode

Below are the best Arknights: Endfield team comps that you can use for the combat stages in Arknights: Endfield Umbral Monument Endgame mode:

Laevatain Hypercarry Team

Why it works: This team is the perfect Melt team that adds Heat damage to clear enemy waves easily and quickly. Antal and Wulfgard build Heat fast, and Laevatain unleashes a huge Fire Blast to wipe out enemy groups, while Ardelia keeps the whole team alive.

Last Rite Cryo Team

Why it works: This team excels at stacking Cryo on enemies with Xaihi and Perlica, allowing Last Rite to consume the stacks and deal massive Ice Burst damage to clear waves efficiently. It is also very effective for completing stages before the time limit.

Gilberta Electric Team

Why it works: This Electric team, led by Gilberta, is ideal for pulling enemies together for Corrosion Magic blasts. It also deals Electric shocks to hit multiple enemies, clearing waves faster and completing stages as quickly as possible.

Edmin Physical Team 

Why it works: This Physical team is a strong F2P option, perfect for Arknights: Endfield beginners. It quickly builds enemy weaknesses and delivers team-wide Physical Explosions. This team works against all types of enemies and can clear waves efficiently.

Best Tips for Umbral Monument

Before starting the new combat mode, Arknights: Endfield Umbral Monument Endgame, you need to be well prepared for the battles. Below are some of the best tips that are very useful:

• Complete the Unlock Requirements First: Keep progressing through the main story stages, at least reaching Chapter 1 – Process II: Paving the Way, and reach Authority Level 30 to play the combat mode as soon as it is released.

• Keep Leveling Up Your Operators: Umbral Monument stages have recommended Operator levels for each stage. Always maintain your Operators’ levels to make them stronger and more effective in battle.

• Use the Best Team Builds: Understand what the best team compositions are and try to build them to clear stages efficiently and earn rewards.

People Also Ask

How do I unlock the Umbral Monument?

Complete Chapter 1 – Process II: Paving the Way in the main story and reach Authority Level 30 to unlock the new combat mode.

Is Umbral Monument a permanent endgame mode?

Yes. It is a permanent high-difficulty mode with a rotating challenge series. Harder than story stages, it tests your team compositions and combat mechanics.

What are the difficulty modes in Umbral Monument?

There are two different modes. Normal Mode for entry-level battles (Tactical Items allowed) and Agony Mode for more difficult battles (Tactical Items not allowed).

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Conclusion

That’s everything we have from our Arknights: Endfield Umbral Monument Endgame guide. You now have a full Arknights Endfield walkthrough with all the details about the new combat mode, including how it works, and the best tips for better preparation. Always focus on building the best teams to easily clear stages and complete battles efficiently. Also, make sure to use Arknights: Endfield codes for extra free rewards and keep leveling up your Operators for perfect performance in battles.

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