Tenebris Somnia Item Locations

Find the next item by where it comes from and what it unlocks. This index covers selected progression-critical objects, with full guides for Aurifer and the Cold Chisel. It is not a claim to list every pickup, ammunition box or collectible in Tenebris Somnia.

Early apartment items

For the exact order, follow Floor 3 and Floor 2. The chemical guide identifies the inventory changes so you can tell whether you have an ingredient or the finished product.

Two items players often confuse

Auritsatio is the chemical result used at the first Study Door. Aurifer is the refined knife reached late in Desiderium. Similar names do not mean they are interchangeable, and searching for the knife while stuck at the first door sends you far beyond your current objective.

The Aurifer guide starts from an already-obtained Lapis Fictus Knife. It explains the three transformation stations and the ending-sensitive decision afterward. It does not pretend that the long earlier crafting chain is a single pickup.

Cold Chisel: reward first, destination later

The Cold Chisel is connected to the third film canister and the theater reward boxes. Its destination is a boarded door at the top of a staircase reached from the dining-room route. To open the boards, use the chisel at the door and then strike with a melee weapon. It is not needed to break the low board at the very beginning.

That separation is a useful pattern: the room that awards an item and the room that consumes its purpose can be several transitions apart. Record both before backtracking.

Read item names as progress checks

A changing name is evidence that a transformation registered. The early Glass gains blood, then chemical, then becomes Auritsatio. The late knife changes from Lapis Fictus through Melanosis and Viridis before becoming Aurifer. If the name has not changed, check the interaction you just attempted before traveling to the next station.

Planning a collectible run

The achievement list confirms goals involving all star lockers, three film canisters and the complete Old Book. This item index does not promise all collectible locations. Use the tracker to record achievements you confirm in your game; marking a checkbox on this site does not unlock anything on Steam.

Evidence and coverage

Locations and uses are cross-checked from full-game written guides. Exact installed builds are unconfirmed. Some later items affect ending routes, so inspect the spoiler controls before opening their detail pages. The ending overview explains where a save can preserve the two main branches.