Borderlands 3: How to Get the One Pump Chump Shotgun

Like previous titles in the series, Borderlands 3 is full of references to pop culture. One reference you may come across in Lectra City is to One Punch Man. This NPC called One Punch has a chance of dropping a legendary shotgun. Below I will walk you through how to get the One Pump Chump Shotgun.

Reach Subway in Lectra City

Image showing where to find the Subway in Lectra City.

To start make your way to Lectra City and head to the Subway. The Subway can be found on the north side of the zone, and is accessed via stairs. Once you’ve reached the Subway head to the spot marked on the map above to head to the next step in this guide.

One Punch Door Solution

Image showing the sequence of switches for One Punch.

Down the hallway opposite the Eridian Writing you will find a series of switches. These switches need to be activated in the correct order to open the door holding One Punch. The solution to the door puzzle is as follows:

  1. Far left button.
  2. Turn Valve.
  3. Pull Lever.
  4. Pull Switch x2.

Once you put in the combination above you the door down the hallway will open, causing One Punch to appear.

Farm One Punch for One Pump Chump

Image showing the One Pump Chump drop.

Once you’ve spawned One Punch, it’s time to farm him. Basically you are going to want to kill One Punch over and over again until he drops the One Pump Chump. This may take you a while so keep trying. Equip any items that improve luck if you can and eventually this Legendary Shotgun will drop for you.

One Pump Chump Legendary

Image showing the One Pump Chump Legendary.

The One Pump Chump is a very powerful Legendary Shotgun with high weapon damage, high critical hit damage, good reload speed, and 50% chance not to consume ammo when fired. Not bad at all.

Thoughts on our how to get the One Pump Chump Shotgun? Drop a comment in The Pit below.


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