Random unlocked chest that spawns on the landscape. They are always accompanied with a group of Tumeroks. These crates contain a single piece of a battered or worn weapon and upon emptying the crate, they will disappear.
The second kind appears in the northwestern region of Osteth and the Direlands (the blue and red areas of the map below). They contain pieces for Worn weapons, and are guarded by Tumerok Troopers.