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How to Kill 100 Zombies with One Killstreak in Call of Duty: Black Ops 6

Author:Kristen Update:Mar 25,2025

Killstreaks have always been a thrilling aspect of *Call of Duty*, and in *Black Ops 6* Zombies, they evolve into powerful Support items that can unleash devastating attacks on zombie hordes. The Dark Ops Challenge, 'Harbinger of Doom,' specifically rewards players for mastering this feature by killing 100 zombies with a single Killstreak.

Best Maps and Modes to Kill 100 Zombies with One Killstreak in Black Ops 6

*Black Ops 6* Zombies offers various modes such as Standard, Directed, and the festive Jingle Hells. While Directed mode is popular among players grinding for camos due to its more manageable matches, it doesn't provide the large zombie hordes required for the Harbinger of Doom challenge. Therefore, the Standard mode is the most suitable for this task.

When it comes to choosing the right map, ample open space is crucial for effectively deploying your Support item to achieve 100 zombie kills with one Killstreak. Maps with expansive areas are ideal. For instance, the Shipwreck on Terminus and the spawn area of Liberty Falls near Pump & Pay are perfect locations to attempt this challenge.

Best Support to Use to Kill 100 Zombies with One Killstreak

Mangler Black Ops 6 Zombies Liberty FallsTo successfully kill 100 zombies with one Killstreak and conquer the Harbinger of Doom Dark Ops Challenge, you'll want to utilize one of *Black Ops 6*'s top Support items. The Chopper Gunner and the Mutant Injection stand out as the most effective Killstreaks for this challenge. The Chopper Gunner allows you to rain down destruction with a powerful minigun from above, while the Mutant Injection transforms you into a formidable Mangler for a short period. Both options grant invulnerability during their duration and boast immense damage capabilities.

Players who have advanced significantly in the game’s Military Ranks can craft these Support items at a workbench for 2,500 Salvage. For those looking to conserve resources, alternative methods to acquire Chopper Gunners and Mutant Injections include defeating special or elite enemies, completing S.A.M. Trials, or using Loot Keys on Terminus and Liberty Falls. However, these methods depend on RNG and luck, making crafting the Killstreaks beforehand the most reliable approach.

Best Strategies to Use

Before tackling this challenge, it's essential to reach higher rounds to ensure large zombie hordes spawn. The ideal time to attempt this challenge is between Rounds 31-40. Activating the Rampage Inducer can further increase zombie spawn rates and speed, helping to populate the map with targets quickly.

To kill 100 zombies with one Mutant Injection, gather a significant horde on Round 31 or later in a confined area with multiple nearby zombie spawns. The Rec Yard on Terminus, Backlot Parking on Liberty Falls, or the Oubliette room on Citadelle des Morts are prime locations. Once you have a large group, activate the Mutant Injection and aggressively use only the melee attack to maximize your kills.

For the Chopper Gunner Killstreak, the strategy is more straightforward but can be challenging to execute. Gather a substantial horde in an open area on Round 31 or later, then call in your Chopper Gunner and unleash its firepower. The best spots for this are the Shipwreck on Terminus, Backlot Parking on Liberty Falls, or the Town Square spawn area on Citadelle des Morts.

By following these tips and strategies, you'll be well on your way to killing 100 zombies with one Killstreak and successfully completing the Dark Ops Challenge in *Call of Duty: Black Ops 6*.