
Killing Floor 3 is finally here. The third installment in the decades-old series brings a lot of recognizable faces back, including Firebug, the franchise's dedicated pyromaniac.
In this game, her flaming skills and weapons are the cream of the crop as she sports some of the heaviest-hitting, fun-inducing, Zed-slaughtering guns out there. With such a variety of weaponry in the game overall, it might be challenging to know what the best loadouts, passives, and skills are. So, here is our best Firebug build in KF3.
The best Firebug build in KF3
Loadout

Every Perk in Killing Floor 3 has a primary weapon and a sidearm by default, though they can carry two primaries during any given match. Each gun can be fitted with various attachments that can fundamentally change how it functions, from swapping out its Afflictions (damage types) to improving accuracy and providing team-wide buffs. Here are my picks for Firebug's loadout:
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Primary:
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Dragon's Breath
- White Phosphorus Shells
- Compensator
- Enhanced Foregrip
- Reflex Sight
- Extended Mag
- Affliction Amplifier
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Vulcan TA
- Supercharged Plasma
- Heat Sink
- Ultra Octane Fuel Tank
- Pneumatic Plasma Cooler
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Dragon's Breath
Firebug's primaries are many, but these two are the best to pair up in any given run. Dragon's Breath is bar none the best gun in the game and will solo carry you through the toughest of difficulties, whereas Vulcan TA is a fantastic AOE gun to take with you against massive waves of enemies and bosses, especially smaller ones that you do not want to waste a Dragon's Breath shot on.
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Side Arm:
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Pyre .357
- Incendiary Rounds
- Suppressor
- Laser Sight
- Red Dot Sight
- Suppressed Cylinder
- Affliction Amplifier
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Pyre .357
The Pyre .357 is the only sidearm available to Firebug at the moment, but it's by no means a bad pistol. With the attachments above, you'll have maximum Heat Damage output, high on-hit damage, and solid handling that'll stop the gun from flinching too much all the time.
Skills

Like other Perks, Firebug has three skill trees, each tied to a particular category. Here are our picks:
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Passives
- Too Hot to Handle
- Heat Exposure
- Slow Cook
- Hotfoot
- Explosive Reaction
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Throwable
- Boom out
- Capacity Increase
- Out With a Bang
- Capacity Increase 2
- Hot Mess
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Gadget
- Ready for Action
- Footlights
- Triple Play/Red Carpet
- Hot Streak
- Flammable Material
This selection of skills will ensure that you dish out maximum Heat damage, induce as much Panic into Zeds as possible, and heal at the same time. With this build, I have prioritized AOE, direct and indirect Heat Damage, creating massive and high DPS ground fires, and granting you passive bonuses that'll ensure you're never vulnerable or near death.
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