Call of Duty Modern Warfare 3 (MW3)

How to Collect Strauss's Research: Storm the Castle Walkthrough

MW3 Storm the Castle

The Storm the Castle mission tasks you with collecting Strauss's Research in Call of Duty Modern Warfare 3 (MW3) Zombies. Learn how to collect Strauss's research, what to do if Strauss's research doesn't show up, and for a full Storm the Castle walkthrough.

How to Collect Strauss's Research

Activate Storm the Castle Mission and Complete It

MW3 Strauss Research

Strauss's Research only drops once you complete all of its mission objectives and killing arlord Legacy. Strauss's Research will drop directly from Warlord Legacy after killing him. You should be able to see it quickly as it will have an icon marking it.

Strauss's Research Bugged Drop is Fixed

The bug that prevented Strauss's Research from dropping is fixed as of December 8, 2023. You or your party members are now guaranteed to get the drop after activating the mission and finishing all its objectives..

November 21 Patch Makes Warlord Kill Squad-Based

The November 21 patch of Modern Warfare 3 confirms that the Warlord kill credit is now shared by the squad. This means that, as long as someone in your squad has the Storm the Castle mission active, Strauss's Research will drop regardless of the squad member that kills the Warlord.

Storm the Castle Walkthrough

Storm the Castle Objectives

  1. Complete a Merc Camp
  2. Clear a Merc Stronghold
  3. Defeat Warlord
  4. Collect Strauss's Research

How to Complete Storm the Castle

Storm the Castle Mission Steps
1 Modern Warfare 3 Storm the Castle Helicopter
For Storm the Castle, you'll be taking on the Dokkaebi Fortress. It's best to be equipped with 3-Plate Armor Vests and Healing Aura since you'll primarily be against Soldiers, Bomb Drones, and Sentry Guns.

Additionally (but not required), you could also bring Wonder Weapons like the Ray Gun, Wunderwaffe DG-2
▶︎ Dokkaebi Fortress Location and Rewards
2 The first task of Storm the Castle is to clear a Merc Camp. Look for the Encampent map icon immediately upon deploying to Urzisktan and clear it. Make sure to loot the camp's caches too, because you might find a Stronghold Keycard and at least a 2-Plate Armor Vest there.
▶︎ All Mercenary Camp Locations
3 MW3 Fortress Keycard
After clearing the camp, you'll have to clear a Mercenary Stronghold next. These are also marked on the map. You'll need a Stronghold Keycard to enter them though. If you didn't find one at the Merc Camp, you can buy a keycard from any Buy Station.

You might also get a Dokkaebi Fortress Keycard this way, which you will need to open up the fortress later on. If you didn't get it, you should clear another Stronghold for a chance to get one!
▶︎ All Stronghold Locations
4
After clearing the Stronghold, the final main objective is to defeat a Warlord. The Warlord can be found in the Dokkaebi Fortress, which is located at the top of the skyscraper in Zaravan City in cell D8 in Urzikstan. You can get there by taking the elevator at the ground floor.
▶︎ Dokkaebi Fortress Location and Rewards
5
Inside the Dokkaebi Fortress, the Warlord is at the end part of the skyscraper. Follow the path to that area (it should be linear) until you meet Warlord Dokkaebi. She will not fight you at the first two encounters and will only relocate using her drone.
▶︎ How to Beat Warlords
6
Make sure to eliminate all enemies you encounter as you try to find Dokkaebi. They are all capable of killing you even if wearing a 3-Plate Armor Vest.
7
After defeating the Warlord, it should drop Strauss's Research as well as a Reward Rift with the Mediator Blueprint.

Storm the Castle Rewards

Weapon Blueprints

Storm the Castle Blueprints
Mediator
(Dokkaebi Warlord Rift Reward)

Malicious Marrow Shotgun
(Storm the Castle Reward)

List of All Blueprints

Achievements

Silver Trophy.png Conqueror
G: 30
Defeat a Warlord in MWZ

If this is your first time defeating a Warlord, you will also obtain the above achievements.

Trophy Guide and List of Achievements

Modern Warfare 3 (MW3) Related Guides

Modern Warfare 3 - Zombies Game Mode

Zombies Mode Walkthrough and Guide

All Zombies Guides

Zombies Guides and Lists
Zombies Missions Zombies Season 2
Zombies Season 1 Zombies Map
Zombies Weapons Crafting Schematics
Aetherium Challenges and Enemies
Zombies Perks Zombies Ammo Mods
Zombies Field Upgrades Zombies Gear
Contracts Zombies Power-Ups

## All Zombies Acts 1 to 4 Missions
Missions
Direct Line Treasure Hunter
Road Rage Wall Power
Firepower Take Up Arms
Interceptor Freezer Burn
Minelayer Pit Stop
Saboteur Automated Backup
Infiltrator Hands Off
Blasted Bring 'Em On
Hostile Takeover Chaperone
Nest Wrecker Where's Dr. Jansen?
Extraction Same Day Delivery
Safe Cracker Ascension
Merc Cleanup Reaper
Guardian Angel Shocked
More Firepower Bounty Hunter
Essence of Aether Heist
Mind Control Frost Bite
Exterminator Shepherd
Two Factor Authentication Firestarter
Ghosted Alternate Current
Most Firepower Paint the Target
Crash and Burn Storm the Castle
Closing Time Spring Cleaning
Holdout Defeat Zakhaev
Bad Signal Countermeasures
Union Ascension (Story Mission)

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