This Engineer build turns Imran into a reliable wave controller and support character who does pretty well from the early waves right up till the later boss fights. By making use of explosive shotguns, cycling the gadget often, and picking up scrap to stay charged, the build brings utility and solid damage without even needing to swap weapons midway. Its strength mostly comes from how stable it feels, whether you’re playing alone or working with a team during holdouts.
Imran’s set of tools lets him manage enemy flow better, trigger wide knockdowns, and keep the gadgets online more often. This Explosive Support Engineer build focuses on crowd control, resource cycling, and long-term survivability.
Best Loadout for the Explosive Support Engineer in Killing Floor 3

Start off by equipping the Trench Boomstick with explosive slug ammo. Add in a Rapidfire Receiver, Muzzle Brake, Reflex Sight, and a 50-round Drum Magazine. That will give you some decent splash, solid control, and enough ammo to handle a few waves without worry. Once you have enough gear unlocked, grab the ConTek CSG shotgun as your backup.
Fit that one with incendiary shells and the same kind of mods. Bonebreaker deals strong knockdowns while ConTek is better for longer fights against armored Zeds. Here’s a quick breakdown for you:
- Primary Weapon: Trench Boomstick (Explosive Slugs)
- Secondary Weapon: ConTek CSG (Incendiary Shells)
- Barrel: Muzzle Brake
- Magazines: Trench Boomstick (50-Round Drum Mag) and ConTek CSG (Extended Mag)
- Receiver: Rapidfire Receiver
- Optics: Reflex Sight or Laser Sight (based on personal aim preference)
There’s no reason to change your weapons later in the game. Just work on getting both of them maxed out using Tier 3 crafting. You’ll need ichor, scrap tech, and bio samples to push through. Tier 3 can sometimes roll extra effects like better damage against bosses or more ammo regen. These upgrades improve your performance directly and don’t need you to mess with your main loadout.
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For your throwables, Bouncing Betty is the one to go for. Unlock Grounded as early as possible so it knocks down enemies. Then raise your grenade capacity and go for Dismember the Day to give it fragmentation. Once you’ve reached level 28, go ahead and take Scrap Heap. It causes Betty to drop scrap after blowing up, and that refuels your tools and grenades automatically. That’ll keep the entire loop going from one wave to the next.
Skill Flow and Gadget Loop

Start with Tool Up. It brings your tool energy back with kills. Then by level 8, go for Scatter Plot, it gives two more pellets and adds more spread, which helps clear tight groups. After that, take Major Damage to lift your base damage and add some stagger. For mid-game, Man of Steel gives you better armor and causes smaller Zeds to stumble when they try to grab you.
Rally Beacon unlocks at level 26 and boosts your team’s damage by 25 percent for 20 seconds, only when placed fully charged, though. This should make it easy to remember:
- Tool Up (start here – core passive)
- Scatter Plot (Level 8)
- Major Damage (Level 14)
- Man of Steel (Level 20)
- Rally Beacon (Level 26)
Sonic Storm becomes the core gadget loop as you move ahead. Pick Stabilize early for better damage while standing still. Wall of Sound and Clear the Area both help increase its radius and effect size. Reforge lets you gain energy with tool use and Reverb Pedal adds a 200-damage blast every time you fix the device. Here are all the gadget perks you need:
- Stabilize
- Wall of Sound
- Clear the Area
- Reforge
- Reverb Pedal
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This loop really works if you keep syncing it with kills, fill energy, launch Sonic Storm, repair it to blow up with Reverb Pedal, and start again. You can lead with Pulse Lure to gather Zeds before following with Betty. The throwables, plus your shotguns and gadgets, create a nice reaction chain that helps wipe waves clean.
Combat Strategy

Every wave should start with tossing Pulse Lure and immediately throwing Betty. Bring Bonebreaker to the groups and bring ConTek when you notice some armored troops. It is supplied with the idea of farming kills, replenishing your gadgets, and simply doing what proves to be the routine of the Sonic Storm.
During boss fights or a holdout, give your team a nice team-wide damage buff by dropping Rally Beacon near them. Then you just turn around and shoot, there is no real use in exchanging your guns. Pay attention to your grenades, tool charges, and weapon upgrades, and everything will be okay.