Chapter 34: The Descent (Seattle Day 2) contains 10 Collectible Locations in The Last of Us 2 (TLOU2). This walkthrough will guide you to all collectibles in The Descent Chapter in chronological order. Everything that’s needed for trophies and 100% completion is included: Artifacts, Journal Entries, Trading Cards, Coins, Safes, Training Manuals, Workbenches, Weapons, Supplements (Player Upgrades), Parts (Weapon Upgrades).
If you forget a Collectible you can still get it via Chapter Select, so nothing is missable.
- Artifacts: 3
- Coins: 5
- Safes: 1
- Weapons: 1
Video Guide
Coin #1: Illinois
At the very start of the chapter, dive inside the swimming pool to find a coin on the floor. You can only dive 
once Lev finishes talking to you.
Artifact #1: Gym Safe Code + Supplements x7
From the last Collectible, go through the gym to “Orchards Juice Bar”. Check the pinboard in the office behind the counter for a document. You also find 7 Supplements in the drawer at the cash register here.
Safe (12-18-79) + Supplements x17
From “Orchards Juice Bar” enter the next hallway (normal story path). On the windows it will say “Hotel Blacray”. At the end of the hallway, near a desk, there’s a green door. Enter the door to find a storage room with the last Safe in TLOU2. Safe Code = 12-18-79. If you followed this Collecitble Guide from the start you should now unlock Trophy Safecracker 
for finding and opening all Safes. There are also 17 Supplements in this Safe.
Artifact #2: FEDRA Orders
Automatically picked up when you go through the exit door of the fitness studio, part of the story (unmissable). Nothing you need to pick up manually.
Supplements x8
Immediately after the next cutscene in the stairwell (where Abby puts on her mask and enters the spore infested area). Turn around after the cutscene and check the room behind you for 8 Supplements in the living room drawer.
Supplements x8
Still in the spore infested gasmask area. After you walk over a metal beam and squeeze through a gap, turn left and follow the path to a bathroom. 8 Supplements are in there (drawer at sink).
Parts x14
In the living room where you find a functional gas mask for Lev (9 Parts on table, 5 Parts in cupboard under TV).
Supplements x9
Exit the room and you’ll be attacked by a bunch of Infected in the hallway. Walk to the very end of the hallway and enter the bedroom on the right, it has 9 Supplements on the bed.
Artifact #3: FEDRA Final Note
After using the fire hose to rappel down a few floors, check the first side room on the right (document on floor next to corpse).
Parts x12
After dropping down one floor from the last location, you’ll get attacked by a Clicker. In the same room as the Clicker are 12 Upgrade Parts on the table.
Weapon: Flamethrower + Supplements x10
From the above-mentioned Parts, still on the same floor, you can squeeze through a bathroom door and balance over a short wooden beam. On the other end of the beam is the Flamethrower. Also 10 Supplements at the sink here.
Supplements x7 + Parts x14
From the Flamethrower, drop down one floor. Don’t go into the room with the infected yet, turn around and go along the narrow ledge. In the bathroom there are 7 supplements in a drawer, then in the next room near the ledge there are 14 Parts.
Parts x3
From the Flamethrower, drop down 2 floors and walk over another short wooden beam into a room with a Shambler (big poison spore enemy). Kill the Shambler and check the drawer to the right of it for 3 Parts.
Coin #2: Oregon + Supplements x10
From the above-mentioned Shambler you need to walk over a longer metal beam and jump down 1 floor (normal story path). As soon as you jump down another enemy breaks out of a wall and instantly grabs you. 10 Supplements are straight in front of you under a table lamp. For the Coin, turn around and jump over a gap into a room (coin is on right side there). This one’s really easy to miss. Make a manual save if unsure.
Supplements x23
After dropping down 1 more floor, there are 2 Pill Bottles in the nightstand next to a bed (6 Supplements + 17 Supplements).
Coin #3: Wisconsin + Parts x8
Quite a bit later, after opening an elevator shaft 
and jumping down the elevator shaft. Immediately after exiting the elevator shaft, turn left to find a vending machine and 8 Parts to the left of the vending machine. Smash the glass window of the vending machine and a coin will fall out its coin dispenser.
Coin #4: Rhode Island + Parts x18
Just after the last Collectible Coin, you’ll remove your mask and go outside to a plaza with a bar on it. A coin is at the cash register behind the bar counter, 18 Parts are in the pavilion in the far right corner.
Parts x15
In the next building you enter after going down a small ledge, directly left there are Parts sitting in a bathroom.
Coin #5: Missouri
Once your people let you through the gate to the hospital compound, immediately turn right, head through the tall grass into a building. It has a coin at the end of its hallway. Get this BEFORE going through the hospital building’s main entrance (doing so will start the next Chapter).
That’s 100% of the collectibles you can find in Chapter 34: The Descent in The Last of Us Part II.
For more Collectible Guides, check out the complete The Last of Us 2 Collectibles Guide.
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