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Whether you call it the One-Inch Punch, the Iron Fists, or the Thunder Fists, whatever it is, you need to get them in Origins. These powerful melee items in Black Ops 2 Zombies let you punch your way through zombies, and they are an easy way to instantly kill any undead up until Round 19! Below, you’ll discover how to unlock it in every game.
How to Get the One-Inch Punch Melee in Origins

There are 4 Soul Boxes around the map that each need 30 kills. However, it’s important to know that each of these Soul Boxes is within range of a Giant Robot’s footprint, and if a Giant Robot steps on the Soul Box, then that specific one will reset back to 0 kills:
- Soul Box #1 can be found by Generator 5 and Stamin-Up.
- Soul Box #2 can be found to the left of the mound (Pack-a-Punch) on the way to Generator 4.
- Soul Box #3 is by the Wall-Buy at Generator 4 and Jugger-Nog.
- Soul Box #4 is outside of the Church.
You’ll know you’ve completed the Soul Box because the lid will close, rise into the ground, and teleport away. You won’t have to worry about where they go until you’ve completed all four!
You should try to complete the Soul Boxes after Round 8, when zombies spawn more frequently and are a bit faster, as trying to do so on the lower Rounds will likely result in the Giant Robot halting your progress.
Once all four Soul Boxes have been completed, you can head to the Ritual of the Ancients rewards chest found at Generator 6 or Generator 1. You can interact with the bottom icon (the one with four circles) to open the chest and get the One-Inch Punch. Now, every melee lets you one-hit kill zombies until Round 19!
You can upgrade the One-Inch Punch, but this is specifically related to the penultimate step in the Origins Easter Egg, for which we have a guide above to take you through that process.
Looking for more Origins guides? Check out how to get and upgrade all 4 staffs:
- Released
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November 13, 2012
- ESRB
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M for Mature: Blood and Gore, Intense Violence, Strong Language, Suggestive Themes, Use of Drugs
- Engine
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