How to Unlock 'Bloody Mess' Mastery SMG Blueprint in Warzone The Haunting

As fans explore the latest spooky Call of Duty: Warzone update, they can unlock the "Bloody Mess" Mastery SMG Blueprint in The Haunting event.

The Haunting is back in Warzone for the first time in years. What started as The Haunting of Verdansk has slowly made its way to Vondel and Al Mazrah. Zombies dominate the new Vondead map, and nighttime falls on Al Mazrah. Both maps offer jump scares, unique missions, and plenty of rewards, including the exclusive "Bloody Mess" Mastery SMG Blueprint.

Here's how to get the "Bloody Mess" Mastery Blueprint for the BAS-P SMG.

How to Unlock 'Bloody Mess' Mastery SMG Blueprint in Warzone The Haunting

To unlock the "Bloody Mess" Mastery SMG Blueprint in Warzone's The Haunting, players must defeat five of the six Operation Nightmare bosses. The Weapon Blueprint is one of the last rewards players can earn throughout the limited-time event.

Complete with blood splatter, monsters, and The Haunting logo, the Bloody Mess Mastery SMG Blueprint is perfect for the Halloween season. Plus, any additional eliminations with the Blueprint equipped rewards bonus Souls.

All Bosses in Warzone's The Haunting Event

Here are all the bosses in Warzone's The Haunting event:

• The Butcher
• Swamp Creature
• The Pharaoh
• UFO
• Ghost Train
• Evil Spirits

Each boss' exact location is highlighted on the map so you can find them with ease. Defeating them, though, might be a bit more difficult. Make sure to have plenty of ammo, night vision goggles, and your best thermal classes to effectively conquer all six NPCs.

Warzone The Haunting Operation Nightmare Rewards: Full List

The full list of Operation Nightmare rewards in Warzone's The Haunting is as follows:

• Butcher's Meat Hook for Diablo 4
• Swamp Creature Calling Card
• The Pharaoh Calling Card
• UFO Calling Card
• Ghost Train Calling Card
• Evil Spirits Calling Card
• "Bloody Mess" Mastery SMG Blueprint