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Field Upgrades have been a cornerstone of the Call of Duty: Zombies formula for a while now, offering players situational powers that can be charged and deployed to change the tide of battle. In Black Ops 7 Zombies, these tools return with some refinements and a brand-new addition: Toxic Growth.

Field Upgrades in Black Ops 7

In BO7, there are six Field Upgrades available, and all of them remain swappable mid-match via the Pause menu. A few tweaks to the system stand out:

• Early-round accessibility: Field Upgrades charge faster at the start of the game.
• Scaling costs: As rounds progress, you'll need to kill slightly more enemies to recharge them.
• Usage balance: The more often you rely on one upgrade, the more expensive its next activation becomes.

This ensures Field Upgrades stay powerful without being spammed endlessly, keeping pacing in check while rewarding strategic use.

New Field Upgrade – Toxic Growth

Toxic Growth embodies the defensive side of the Zombies experience. When activated, it summons a thick, thorny bush directly in front of you:

• Defensive Barrier: Ideal for chokepoints, narrow hallways, or any place you need to buy breathing room.
• Toxic Damage: Enemies are slowed, poisoned, and shredded while moving through it.
• Limited Deployables: You can only have up to three active at a time.
• Team-Safe: Toxic Growth doesn't damage teammates, which makes it reliable for co-op defense.
• Duration: It persists until it has absorbed enough damage or expires naturally.

It's not an aggressive tool like Ring of Fire or Frenzied Guard, but for players who value crowd control and tactical placement, it's a strong alternative.

Toxic Growth is perfect for players who want to hold the line and control the flow of enemies, especially in higher rounds where spacing becomes critical. Its ability to stall hordes makes it a great tool for both solo survival and team setups. If you're looking to push ranks faster, you can also buy cod bo7 bot lobbies online to sharpen your strategies under safer conditions.

Augments for Toxic Growth

The real depth of this upgrade comes from its Augment system, which customizes how your thorns behave. These are divided into Major Augments (which drastically alter its function) and Minor Augments (which provide buffs and support utilities).

Major Augments

• Urticant: Expands the area covered by Toxic Growth, and slows enemies even after they leave it.
• Cordyception: The first enemy that touches the Growth is charmed, turning against its allies.
• Pollination: Killed enemies explode with toxic energy, damaging and slowing nearby foes.
• Zoochory: The first enemy to hit the Growth becomes the Growth itself, acting as a walking hazard.

Minor Augments

• Ankle Shredder: Enemies move even slower while trapped.
• Green Thumb: Increases the health and durability of the Growth.
• Extra Charge: Lets you hold an additional use at once.
• Plant Food: Enemies killed by Toxic Growth may drop healing fruit, providing sustain in tough rounds.

How to Use Toxic Growth Effectively

1. Control Narrow Spaces: Its limited size works best in bottlenecks like stairways or doorways.
2. Combo with Traps or Equipment: Slowed enemies become easier to pick off with explosives or headshots.
3. Pair with High Rounds: Since Toxic Growth scales in damage, it remains relevant far beyond the early game.
4. Augment Smartly: Cordyception and Pollination make it more offensive, while Green Thumb and Plant Food lean defensive.

Toxic Growth introduces a refreshing mix of crowd control, poison effects, and tactical placement into BO7 Zombies. It isn't just another damage field—it rewards careful positioning, timing, and augment synergy. Whether you're holding down the line in solo play or supporting a squad in co-op, Toxic Growth is a flexible tool that offers new defensive strategies in a game that constantly tests survival endurance.