There's a reason why you've probably heard of the Borderlands 3 Porcelain Pipe Bomb grenade. There was a time when a bug made it the most powerful weapon in the game, capable of one shotting any enemy with a slew of replicating grenades. We tested it at release watched it kill a difficult Vault boss' health in seconds. It was fun.
It's been fixed since, but its multiplying grenade damage is still an handy option to have. So, in case you want to check it out, here's how to get the Porcelain Pipe Bomb for yourself.
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Get to Eden-6
First off, you'll need to reach a certain threshold in Borderlands 3's campaign, making it to the third explorable planet of Eden-6 and completing the "Going Rogue" story mission in Ambermire. After this, a side quest called "Raiders of the Lost Rock" can be picked up from the bounty board in the town of Reliance in Floodmoor Basin.
Complete the Raiders of the Lost Rock quest
This quick and easy side mission will require you to head back to Ambermire and follow a trail of easily identifiable quest items, until you reach a Jabber nest culminating in a mini boss fight. Simply follow this task, and head back to Dr. Miles Brown in Reliance to receive your reward; the Porcelain Pipe Bomb. That's it. You literally have the best weapon in Borderlands 3, and it's not even a Legendary.
Sshh, don't tell Gearbox
The Porcelain Pipe Bomb is stupidly, laughably, unsustainably OP, so there's every chance that Gearbox will be nerfing it in the coming days and weeks to stop players grenade-ing their way through boss fights and endgame challenges in a matter of seconds.
With that in mind, you'll want to get hold of this throwable fast if you intend to exploit it, as it won't be long before the studio clocks onto its power. Thankfully, it's Blue-tier rarity and non-randomised drop makes it easy to acquire, as it's just a matter of progressing far enough into the story to unlock the associated side quest.