The Grindstone of the Worthy Borderlands 4 have lots of cool hidden stuff to find, like ECHO Logs, Dead Bolts, Vault Symbols, and more. Some are out in the open, while others are tucked away in secret spots. This guide will help you find all the collectibles in this area, with simple directions so you don’t miss anything.
All Collectibles in Grindstone of the Worthy
Grindstone of the Worthy has 15 collectibles for you to find while exploring in Borderlands 4. In this area, you can discover 1 Vault Hunter’s Guide to Kairos, 6 ECHO Logs, 2 Dead Bolt, 2 Electi Safe, 2 Propaganda Speakers, and 2 Vault Symbols.
Vault Hunter’s Guide to Kairos
In Crumblehall, head into one of the smaller side buildings. Look up at the wall above a mattress, and that’s where you’ll spot The Electi.
ECHO Log 1

Inside Crumblehall, make your way to the kitchen. Check the counter in the corner, and you’ll find Rafa’s Beauty Blog sitting there.
ECHO Log 2

You can find Ready, Fire, Aim sitting right on the hood of a car that’s half-sunk in a muddy pond.
ECHO Log 3

In The Couch Hole, look for a small shack with a couch on its roof. Sitting right there on the couch, you’ll find Casting Call.
ECHO Log 4

Right near the entrance of the compound, check the base of the big pillar. On top of a barrel there, you’ll spot Hostage Negotiation.
ECHO Log 5

During the side mission Her Own Funeral, head onto the roof of a building that sits beneath a huge skeletal ribcage. That’s where you’ll find Her Sorrows Revealed.
ECHO Log 6

While playing through the side mission The Power Ballad of Rodd Vomit, make your way to the dance floor area. Look up to the ledge above the room you can climb up there as you progress. On top of a table, you’ll find Tiny Dancer.
Dead Bolt 1

Inside the cave, look down at the ground near a dead body. Lying there, you’ll find Painless.
Dead Bolt 2

Halfway up the cliff, there’s a ledge with the remains of an impaled body. Right beside it, you’ll spot Open Dialogue.
Electi Safe 1

Climb up the large machine and check its top metal ledge that’s where the Electi Safe is waiting.
Electi Safe 2
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Propaganda Speaker 1
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Propaganda Speaker 2
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Vault Symbol 1

You’ll find this Vault Symbol on the side of a plateau that sticks out of the ground, right beside a ramp.
Vault Symbol 2

This Vault Symbol is marked on the wall of a big building that sits close to the water.