All Vault Hunter's Guide to Kairos Locations in Borderlands 4

North-east from Shammy’s Shack. You can climb up from that direction.

East from Rootdown Estates.

South-east from the Stubs. At a small shelter by the side of the road.

Stuck in the side of a tree.

Found attached to a fence to west of the Wreck of the Cargonian POI.

Located above the table under the canopy on the ground floor of the dilapidated building.

Found inside a small white building on the southern side of the Crumblehall Area.

Found behind a wooden crate on the northern side of Glory Park.

Located on the crate after first entering the Dominion. The crate will be on your right as you head into it.

Located in the head of a corpse atop a stack of pallets by the side of a truck.

Only accessible during/after completing It’s a Whole Phase Situation side mission. Go through the Heart of the Mountain until you do two jumps across big gaps, then there will be a metal ramp with a grapple ahead of it. Turn southwest and there’s another grapple higher. Take this, then pass through the cave to an outside area, where the Guide is stuck to a tree.