Mistborn · Location

Main Tunnel and Warehouse Cavern

Also known as Warehouse Cavern, Overlook Sniper Position, Underground Smuggling Cavern

underground
ancient stone construction with modern makeshift repairs

Main Tunnel and Warehouse Cavern appears in Mistborn.

Type: underground
Style: ancient stone construction with modern makeshift repairs
First appears: Book 4 · Ch. 1
Books: 2

The Main Tunnel and Warehouse Cavern first appears in The Lost Metal as a hidden underground complex beneath Elendel, repurposed from natural caverns into a sprawling criminal warehouse. Originally serving as a storage and distribution hub for the Set’s illicit operations, the cavern features reinforced metal doors, wide connecting tunnels, and industrial packing equipment for sealing crates—many of which contain explosives. Its strategic location and infrastructure make it a critical node in the Set’s logistical network, ultimately drawing the attention of law enforcement and becoming the site of a major confrontation.

History

BOOK 4The Lost Metal (The Mistborn Saga)
BOOK 7Mistborn 07 - The Lost Metal
Underground cavern converted to criminal warehouse with packing equipment for nailing crate lids, stacks of crates including explosives, card tables, wide connecting tunnels, reinforced metal door at