"A sturdy helmet, with built in illumination."
Worn On: Head
Much like the headlamp, the miner's helmet is a piece of headgear that functions as a permanent light source. However, it is superior in terms of both defense and utility, providing 1 AV and significantly better lighting. Assuming you don't have any exceptionally good helmets yet, the miner's helmet is a very tempting option to replace your starting torches with.
Although they are extremely rare under most circumstances, you are guaranteed to find one on some Ancient Bones (along with a Pickaxe and Small Sphere of Negative Weight) while following the Waterlogged Tunnel which runs between Joppa and the lowest level of Red Rock.