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BOOM HeadShot! (Instant Kill)
"One hit, one kill — turns out the nail was sharp all along."
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How do I install BOOM HeadShot! (Instant Kill)?
Download the free ProjectMods desktop app, then install BOOM HeadShot! (Instant Kill) for Hollow Knight in one click.
</>What does BOOM HeadShot! (Instant Kill) do?
Some days you don't want a fight, you want a formality. Turn on One-Hit Kills and a single tap of your nail (or spell) is all it takes — the biggest, meanest thing in the room goes down instantly. Blast through a busy corridor, settle a grudge with a boss that's been wall-checking you for an hour, or just power-fantasy your way across Hallownest. Flip it off the moment you want a real challenge back. Pairs beautifully with Unkillable if you'd rather not take chances at all.
</>What is BOOM HeadShot! (Instant Kill)?
BOOM HeadShot! turns your nail into a one-tap finisher in Hollow Knight. Every enemy, elite bug, and boss drops in a single hit, so you can blast through crowded corridors, settle a grudge with a wall-checking boss, or power-fantasy across Hallownest. Toggle it off any time you want a real fight back. Free to download from ProjectMods.
</>Common questions about BOOM HeadShot! (Instant Kill)
What does BOOM HeadShot! do in Hollow Knight?
BOOM HeadShot! makes every hit you land an instant kill in Hollow Knight. One tap of your nail, or a single spell, drops whatever it touches, whether that's basic fodder, an elite bug, or a full boss. There's no health bar to chew through and no long war of attrition. It's built for the days you don't want a fight, you want a formality, so a busy corridor clears in seconds and a boss that's been wall-checking you for an hour finally goes down. Flip it off the moment you want the challenge back. It's a free mod from ProjectMods, the community-first game modding platform, and toggling it off restores normal combat instantly.
Does BOOM HeadShot! work on bosses in Hollow Knight?
Yes. In Hollow Knight, BOOM HeadShot! treats bosses exactly like any other enemy: the first hit that connects ends the fight. That covers the mandatory story bosses, the optional dream bosses, and the tougher gauntlet encounters that normally take patient, pattern-perfect dodging. Land one nail swing or one spell and the boss drops immediately, no phases, no second wind. It's ideal for clearing a boss that's been blocking your progress, or for revisiting a fight you've already earned just to move on quickly. When you want the real challenge back, toggle BOOM HeadShot! off and every boss returns to full strength with normal health, so nothing about your save is permanently changed.
Does BOOM HeadShot! kill with spells as well as the nail?
It does. BOOM HeadShot! applies its instant-kill effect to your spells in Hollow Knight, not just the nail, so Vengeful Spirit, Howling Wraiths, and Desolate Dive all drop enemies on contact the same way a nail swing does. That means you can finish a target from range, clear a room mid-air, or open a fight with a spell and end it in the same breath. Whichever attack lands first is the one that counts. This makes it flexible for different playstyles, whether you like getting up close with the nail or keeping your distance with Soul. Everything else about your spells behaves normally when BOOM HeadShot! is switched off.
Can I turn BOOM HeadShot! off when I want a real fight again?
Yes, BOOM HeadShot! is a simple on/off toggle in Hollow Knight. Flip the card on in the ProjectMods launcher and every hit becomes a one-shot kill; flip it off and combat returns to completely normal, with full enemy and boss health restored. Nothing is baked into your save permanently, so you can breeze through a stretch you don't feel like grinding, then switch the mod off and take on the next boss the honest way. Lots of players leave it off for the fights they enjoy and only click it on for the ones that have turned into a chore. The switch takes effect immediately, no restart needed.
How does BOOM HeadShot! pair with Unkillable in Hollow Knight?
BOOM HeadShot! and Unkillable are a natural combo in Hollow Knight: one makes you deal instant death, the other makes you impossible to kill. Run both and you become a walking full stop, ending every fight in one hit while nothing Hallownest throws can dent you. It's the cleanest way to bulldoze a boss rush, sightsee through hazard rooms without a scratch, or set up a chaotic capture for a video. You can also mix and match, staying squishy but one-shotting everything, or tanky but fighting fair, depending on the run. Both are free mods from ProjectMods, the community-first modding platform, and each toggles independently so you decide exactly how invincible and how deadly you want to be.
What options does BOOM HeadShot! (Instant Kill) include?
One-Hit Kills
Any hit you land kills instantly. Turn off for a fair fight again.
BOOM HeadShot! is a Hollow Knight mod from ProjectMods that makes every hit an instant kill, so any enemy or boss goes down with a single swing of the nail.
System Requirements
What features does BOOM HeadShot! (Instant Kill) include?
- Drops any enemy in a single nail swing — fodder, elite bugs and bosses fall the moment you connect
- Works with your spells too, so a single Vengeful Spirit clears a room instead of chipping it
- Flip it on and off in a tap when you want the real fight back for the next arena
- Turns crowded corridors into a clean walk — nothing survives long enough to swarm you
- Pairs with Unkillable if you'd rather steamroll Hallownest without taking a scratch
Best For
- You've been wall-checked by the same boss for an hour and just want the win — one swing settles the grudge
- Streamers powering through a busy chat can clear rooms instantly while answering questions on the fly
- Returning players who already earned the hard ending and now want a pure power-fantasy victory lap
- Testing a route or a bench spot deep in a zone without re-fighting everything on the way there
- Clearing out an annoying fodder-heavy stretch so you can get to the platforming or lore you actually came for
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