Diablo Immortal

Ancient Nightmare Event Location and Boss Guide

Diablo Immortal - Ancient Nightmare Event Guide

The Ancient Nightmare is one of the Zone Events in Diablo Immortal that occurs on Mount Zavain. Read on to learn more about the Ancient Nightmare, how to find it, the event schedule and rewards, and how to start and complete the event!

Ancient Nightmare Location

At the Misty Valley Waypoint in Mount Zavain

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The Ancient Nightmare can be found at the Misty Valley Waypoint in Mount Zavain on Wednesdays and Fridays at 12:00 PM, 8:30 PM, and 10:00 PM server time.

If you are late to the event, you may still be able to participate if the Ancient Nightmare hasn't been defeated yet, so search around the Misty Valley. The boss's path leads past the Altars in the area, so check nearby and keep an eye on your map for the boss icon.

Ancient Nightmare Zone Event Overview & Schedule

Basic Information

Boss
nightmareIcon
Ancient Nightmare
Zone Mount Zavain
Location Misty Valley
Difficulty Starts at Hell 1
Recommended CR 600
Notable Rewards
DI - EXPEnchanted Dust DI - NilfurNilfur's Precision DI - Random EquipmentRandom Equipment DI - GoldGold
Objectives
・(optional) Defeat Lord Martanos to get Zakarum Sigils
・Destroy the Ancient Nightmare's shield with attacks
・Use Altars to stun and weaken the Ancient Nightmare
・Defeat the Ancient Nightmare

Defeating the Ancient Nightmare for the first time also completes one of Mount Zavain's Achievements that will reward you with Hilts.

Achievements Guide: All Rewards and How to Unlock

Event Schedule

Ancient Nightmare Countdown

Days Active Wednesday and Friday
Time 12:00 PM, 8:30 PM, and 10:00 PM
(Server Time)

The event occurs every Wednesday and Friday at 12:00 PM, 8:30 PM, and 10:00 PM. These are all based on server time so be sure to check your server's time zone or you might miss the event.

In addition, traveling to Mount Zavain during these days will reveal a countdown timer for the Ancient Nightmare event. Once the timer finishes, you can Auto Navigate to the exact event location.

Only available on Hell difficulties

Take note that the countdown timer and the Ancient Nightmare event itself will only appear and trigger after setting the difficulty to Hell I or higher.

How to Complete the Ancient Nightmare Event

Objective
1 Set the World Difficulty to Hell
2 Defeat Lord Martanos and Collect Zakarum Sigils (Optional)
3 Wait at the Misty Valley Waypoint
4 Fight the Ancient Nightmare

Set the World Difficulty to Hell

Diablo Immortal - changing difficulty to Hell

Remember that the Ancient Nightmare event is only available in Hell difficulties so if you haven't yet, return to Westmarch, open your map, and change the World Difficulty to at least Hell I.

How to Change Difficulty

Defeat Lord Martanos and Collect Zakarum Sigils

Diablo Immortal - Lord Martanos Fight

You can prepare for the Ancient Nightmare by defeating Lord Martanos before the event starts. This does not have to be done on the same day as the Ancient Nightmare event.

Although it's not necessary to beat Lord Martanos to complete the Ancient Nightmare event, he drops Zakarum Sigils, which can be used to power up Altars and momentarily stun the Ancient Nightmare.

Lord Martanos can be spawned every 30 minutes at his gravesite in the Zakarum Graveyard (Mount Zavain).

Lord Martanos Boss Guide

Wait at the Misty Valley Waypoint

Diablo Immortal - Misty Valley Waypoint

Simply wait at the Misty Valley Waypoint in Mount Zavain for the Ancient Nightmare event to start.

This waypoint is the closest landmark to the spawn point of the Ancient Nightmare, so it's best to set your skills and party up with other players at this location.

Fight the Ancient Nightmare

Diablo Immortal - Fight the Ancient Nightmare

To complete the event, each player will now have to work together to fight and defeat the Ancient Nightmare.

Make use of Altars, Zakarum Sigils, and your entire arsenal of skills to defeat the Ancient Nightmare and complete the event. You do not need to deal a certain amount of damage to earn rewards, as anyone who damages the boss even once can receive them.

How to Beat the Ancient Nightmare

Ancient Nightmare Boss Tips
Check Icon Deplete the Ancient Nightmare's Shield

Check Icon Activate Altars to Weaken It

Check Icon Use Zakarum Sigils to Reset Altars

Check Icon Defeat the Ancient Nightmare

Deplete the Ancient Nightmare's Shield

Diablo Immortal - Deplete Ancient Nightmare Shields

The Ancient Nightmare event begins with players stopping the boss's advance by breaking its massive shield. This shield needs to be depleted before you can deal any damage to the Ancient Nightmare.

As you move along the roads of Mount Zavain, keep attacking the boss to destroy its shields as quickly as possible.

Activate Altars to Weaken It

Diablo Immortal - Activate Altars

To help you deplete the Ancient Nightmare's shields, activate the Altars along the road in Mount Zavain.

These Altars can stun the Ancient Nightmare and weaken its shield, giving you plenty of time to deal damage to the boss.

Use Zakarum Sigils to Reset Altars

Diablo Immortal - Zakarum Sigils

Remember to use the Zakarum Sigils you collected from Lord Martanos to boost the damage and reset the timer of the Altars used to weaken the Ancient Nightmare.

Defeat the Ancient Nightmare

Diablo Immortal - Defeated Ancient Nightmare

Once the Ancient Nightmare's shield is depleted, it will stop its advance and begin attacking players, starting the boss fight proper.

Work together with other players and deal as much damage as you can to defeat the Ancient Nightmare.

The primary rewards for beating the Ancient Nightmare are Enchanted Dust and the Nilfur's Precision Horadric Vessel.

Diablo Immortal Related Guides

Diablo Immortal - Zone Events Partial Banner

Diablo Immortal Zone Events

All Zone Events

Haunted Carriage Purify the Corruption
Lost Artifacts Kulle's Hidden Chambers
Ancient Arena Ancient Nightmare
Call of the Ancients Demon Gates

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