What can you do as a free member?

Member benefits illustration

Create your free account today and unlock all our premium features and tools to enhance your gaming experience.

Member benefits illustration

Create your free account today and save articles to your watchlist and get notified when they're updated with new information.

Member benefits illustration

Create your free account today and save your favorite games for quick access later, synced across all your devices.

Member benefits illustration

By creating a Game8 account and logging in, you'll receive instant notifications when someone replies to your posts.

Comment rating feature illustration

By creating a Game8 account and logging in, you can make use of convenient features in the comments section, such as rating and sorting comments.

Premium archive feature illustration

By creating a Game8 account and logging in, you can access Premium articles that are exclusively available to members.

Site Interface

Guest
Free Member
Article Watchlist
Game Bookmarks
Cross-device Sync
Light/Dark Theme Toggle
User Profiles
Direct Feedback
Comment Rating

Game Tools

Guest
Free Member
Interactive Map Access
Interactive Map Pins
Interactive Map Comments
Interactive Map Pins Cross-Device
Check List
Event Choice Checker
Deck Builder Cross-Device
Message Board Notification
Message Board Cross-Device
Build Planner
Stat Calculator
Diagnostic Tool
Weapon/Armor Wishlist

Want more information?Learn more

Diablo 4: Vessel of Hatred (D4)

How to Beat The Onyx Watchtower Stronghold

Add to Watchlist

★ NEW: Season 10 Guide | Season 10 Release Date
┗ Seasonal Content: Chaos Rifts | New Uniques
┗ Seasonal Mechanic: List of Chaos Perks & Chaos Armor
★ Season 10 Best Builds & Best Chaos Perks
★ Check out our Vessel of Hatred expansion guide

Diablo 4 - Onyx Watchtower Stronghold Banner
The Onyx Watchtower is a Stronghold found in Dry Steppes in Diablo 4 (Diablo IV). Read on to learn how to clear The Onyx Watchtower Stronghold, full walkthrough and its location, rewards for completing, as well as tips on how to beat Captain Ezmin.

The Onyx Watchtower Stronghold Overview

Stronghold Information

The Onyx Watchtower Stronghold Details
Location Northwest of the Hidden Overlook Waypoint in Jakha Basin.
Boss Name Captain Ezmin
Rewards & Unlocks ・100 Dry Steppes Renown
・Onyx Hold
・The Onyx Watchtower Waypoint
Description A trader's way station overrun by thieves and murderers

The Onyx Watchtower Stronghold Location

Rewards for Completing The Onyx Watchtower Stronghold

In addition to earning random loot and Renown in the region, you unlock the following rewards for completing the The Onyx Watchtower Stronghold.

Unlocks The Onyx Hold Dungeon

Diablo 4 - Onyx Watchtower Dungeon Reward.png
Completing the The Onyx Watchtower Stronghold unlocks the Onyx Hold Dungeon where you can get the Storm Swell Aspect for the Sorcerer class.

All Dungeon Locations and Map

Unlocks The Onyx Watchtower Waypoint

Diablo 4 - Onyx Watchtower Waypoint Reward.png
It also unlocks a new waypoint in Dry Steppes which gives you an additional 20 Renown Value.

Waypoint Map and All Locations

The Onyx Watchtower Stronghold Walkthrough

How to Clear The Onyx Watchtower Stronghold
・Explore the Onyx Watchtower
・Purge the bandits and raze their encampment
・Slay the Captain's lieutenants
・Find Captain Ezmin inside the Watchtower
・Slay Captain Ezmin
・Rekindle the Wanderer's Shrine to conquer the Onyx Watchtower

Kill All Enemies Inside The Zone

Diablo 4 - Onyx Watchtower Walkthrough.png
Once you enter The Onyx Watchtower stronghold, you will be able to see zones inside a yellow circle. Clear all enemies inside these zones to be able to progress further with the stronghold.

How to Beat Captain Ezmin

Watch Out for the Daze Attack

Diablo 4 - Onyx Watchtower Boss Daze Attack.png
During the fight, Captain Ezmin will throw smoke bombs that can Daze you if you stand on it. Mind your positioning and try to avoid this as much as possible to continue damaging Captain Ezmin.

Use AOE Skills When Invisible

Diablo 4 - Onyx Watchtower Boss Invisible.png
Captain Ezmin can turn invisible during the fight. However, you can still target him with AOE attacks even when he's not visible. Use this opportunity to inflict damage while also clearing the ads that he summons.

Diablo 4 Related Guides

Diablo 4 - Strongholds

All Stronghold Locations

All Strongholds By Region

Fractured Peaks Dry Steppes Hawezar
Kehjistan Scosglen Nahantu

All Dry Steppes Strongholds

The Onyx Watchtower Temple of Rot Ruins of Qara-Yisu

Author

    Please participate in our site
    improvement survey
    12/2025
    Would you assist in
    improving Game8's site?
    ×
    This survey will take about 1 minute.
    Your answers will help us to improve our website.
    We are listening to our users' valuable opinions and discussing how to act on them.
    The information collected through this survey will be used for the purpose of improving our services. In addition, the information will only be disclosed a part of a statistic in a format that will not allow identification of personal information.
    Begin Survey

    All rights reserved

    Guide Index