Guides / Mass Effect 1 (Legendary Edition)
All missables in Mass Effect 1
Everything you can permanently miss, in the order you reach it: where it is, how to get it and what locks it out.
| Item | Area | Where and how | What locks it out | |
|---|---|---|---|---|
| Upgrade Kits, Crates, and Aid Stations | Prologue: SSV Normandy & Eden Prime | Near the drop ravineExact spot: being checkedHow: Opened or bypassed via decryption/hacking minigames or Omni-Gel | Boarding the train tram or touching the Prothean Beacon | |
| Upgrade Kits, Crates, and Aid Stations | Prologue: SSV Normandy & Eden Prime | Next to the dig site trenchHow: Opened or bypassed via decryption/hacking minigames or Omni-Gel | Boarding the train tram or touching the Prothean Beacon | |
| Upgrade Kits, Crates, and Aid Stations | Prologue: SSV Normandy & Eden Prime | From the research camp clearing, unlock the research shelters to search the containers inside.How: Opened or bypassed via decryption/hacking minigames or Omni-Gel | Boarding the train tram or touching the Prothean Beacon | |
| Upgrade Kits, Crates, and Aid Stations | Prologue: SSV Normandy & Eden Prime | Near Powell’s hideoutExact spot: being checkedHow: Opened or bypassed via decryption/hacking minigames or Omni-Gel | Boarding the train tram or touching the Prothean Beacon | |
| Upgrade Kits, Crates, and Aid Stations | Prologue: SSV Normandy & Eden Prime | Around the spaceport terminal edgesExact spot: being checkedHow: Opened or bypassed via decryption/hacking minigames or Omni-Gel | Touching the Prothean Beacon | |
| Hidden caches/grenades | Prologue: SSV Normandy & Eden Prime | Powell's hideout behind cargo cratesHow: Pressing Powell with Charm or Intimidate during interrogation | Boarding the train tram or touching the Prothean Beacon | |
| Aid Station (Medi-Gel) | Therum: Find Liara T'Soni | Industrial Outpost Base, inside the elevated control booth next to the gate switchHow: Interact with Aid Station | Leaving Therum (area cannot be revisited) | |
| Weapon Locker | Therum: Find Liara T'Soni | Industrial Outpost Base, inside the elevated control booth next to the gate switchHow: Decryption | Leaving Therum (area cannot be revisited) | |
| Technician Kit | Therum: Find Liara T'Soni | From the mining camp surface area, scour the worker tents and prefabs right outside the dig site tunnel entrance to find the Technician Kit.How: Search the kit | Leaving Therum (area cannot be revisited) | |
| Upgrade Kit | Therum: Find Liara T'Soni | From the mining camp surface area, scour the worker tents and prefabs right outside the dig site tunnel entrance to find the Upgrade Kit.How: Search the kit | Leaving Therum (area cannot be revisited) | |
| Medical Station | Therum: Find Liara T'Soni | From the mining camp surface area, scour the worker tents and prefabs right outside the dig site tunnel entrance to find the Medical Station.How: Interact with Medical Station | Leaving Therum (area cannot be revisited) | |
| Storage Locker | Therum: Find Liara T'Soni | From the dig site shaft staging area catwalks, ride the main industrial service elevator down to the mid-level landing platforms to find the Storage Locker.How: Electronics/Decryption | Leaving Therum (area cannot be revisited) | |
| Wall Safe | Therum: Find Liara T'Soni | From the dig site shaft staging area catwalks, ride the main industrial service elevator down to the mid-level landing platforms to find the Wall Safe.How: Electronics/Decryption | Leaving Therum (area cannot be revisited) | |
| Crates | Therum: Find Liara T'Soni | Dig Site Bottom Floor, in and around the worker tents near the laser control terminalHow: Search the crates | Leaving Therum (area cannot be revisited) | |
| Weapon Locker | Therum: Find Liara T'Soni | Dig Site Bottom Floor, in and around the worker tents near the laser control terminalHow: Open locker | Leaving Therum (area cannot be revisited) | |
| Aid Station | Therum: Find Liara T'Soni | Dig Site Bottom Floor, in and around the worker tents near the laser control terminalHow: Interact with Aid Station | Leaving Therum (area cannot be revisited) | |
| Mako Repair Kits/Salvage | Therum: Find Liara T'Soni | scattered across the surface paths inside crashed probes and cratesExact spot: being checked | Being checked | |
| Upgrade Lockers (x2) | Noveria: Port Hanshan & Peak 15 | Aleutsk Valley, near the burning Grizzly transportExact spot: being checkedHow: Decryption (requires Easy/Average Decryption) | Boarding the passenger tram back after completing both the Hot Labs Purge and Benezia | |
| Upgrade Kit and Secure Storage Locker | Noveria: Port Hanshan & Peak 15 | Peak 15 Garage, inside the security office to the rightHow: Open containers | Boarding the passenger tram back after completing both the Hot Labs Purge and Benezia | |
| Species Codex: Thresher Maws | Noveria: Port Hanshan & Peak 15 | Rift Station, inside the locked Quarantine Lab on the back wallExact spot: being checkedHow: Access the terminal | Boarding the passenger tram back after completing both the Hot Labs Purge and Benezia | |
| Hidden Upgrade Kit and Storage Crate | Noveria: Port Hanshan & Peak 15 | Rift Station Maintenance, along the catwalk past Han Olar's back tunnelExact spot: being checkedHow: Open containers | Boarding the passenger tram back after completing both the Hot Labs Purge and Benezia | |
| Garage Pass | Noveria: Port Hanshan & Peak 15 | Port Hanshan: Obtained from Gianna Parasini after completing the Lorik Qui'in questline, or from Administrator Anoleis directlyExact spot: being checkedHow: Hand over OSD to Parasini or resolve pass with Anoleis | Departing Port Hanshan Garage via Mako | |
| Maintenance Hatch Key | Noveria: Port Hanshan & Peak 15 | Port Hanshan: Inside Administrator Anoleis's office safeExact spot: being checked | Being checked | |
| Cure component | Noveria: Port Hanshan & Peak 15 | In the Quarantine LabExact spot: being checked | Being checked | |
| Maintenance Pass | Noveria: Port Hanshan & Peak 15 | Given by Captain Ventralis or Dr. Cohen depending on quest choicesExact spot: being checkedHow: Hand synthesized medicine to Cohen | Triggering the Hot Labs purge or hacking the Main Deck drone security door | |
| Secure Locker | Asteroid X57 (Bring Down the Sky) | First Torch Facility to the first floor south roomHow: Open the locker | Leaving Asteroid X57 or landing on Ilos (Ilos: Find the Conduit) | |
| Grenade Upgrade Box | Asteroid X57 (Bring Down the Sky) | First Torch Facility to the first floor south roomHow: Open the box | Leaving Asteroid X57 or landing on Ilos (Ilos: Find the Conduit) | |
| Secure Crate | Asteroid X57 (Bring Down the Sky) | First Torch Facility to the room with torch controlsExact spot: being checkedHow: Open the crate | Leaving Asteroid X57 or landing on Ilos (Ilos: Find the Conduit) | |
| Omni-Tool (scales to Savant tier at Level 50+), Quarian Armor (e.g., Colossus), or Human Armor (Light, Medium, or Heavy, up to Colossus X) | Asteroid X57 (Bring Down the Sky) | Outside the Main Facility from Simon AtwellExact spot: being checkedHow: Speak to Simon Atwell after finishing the assignment and choose one reward | Landing on Ilos (Ilos: Find the Conduit) | |
| Communications Relay | Virmire: Saren's Facility | Salarian CampExact spot: being checkedHow: Bypass using Easy Decryption in the tents prior to the push | Interacting with the Prothean Beacon in Saren's private lab locks lower facility and camp access | |
| Medical Station | Virmire: Saren's Facility | Salarian CampExact spot: being checkedHow: Bypass using Easy Decryption in the tents prior to the push | Interacting with the Prothean Beacon in Saren's private lab locks lower facility and camp access | |
| Locked storage lockers and wetware kits | Virmire: Saren's Facility | Base Entry / Drainage PathExact spot: being checkedHow: Loot along the sewer route and maintenance passages | Interacting with the Prothean Beacon in Saren's private lab | |
| Upgrade Kit and Wetware Kit | Virmire: Saren's Facility | From the Genophage & Cloning Laboratories, head to the elevator to find the Upgrade Kit and Wetware KitHow: Collect near the lab elevator | Interacting with the Prothean Beacon in Saren's private lab | |
| Medical Station | Virmire: Saren's Facility | In the Genophage & Cloning Laboratories, look on the wall opposite the elevator for the Medical StationHow: Bypass using Easy Decryption on the wall opposite the elevator | Interacting with the Prothean Beacon in Saren's private lab | |
| Secure Weapon Locker | Virmire: Saren's Facility | Rana's OfficeExact spot: being checkedHow: Bypass using Average Decryption | Interacting with the Prothean Beacon in Saren's private lab | |
| Cinch (Armory License) | Virmire: Saren's Facility | Sold by Commander Rentola at the Salarian base camp before launching the assaultExact spot: being checkedHow: Purchase from Commander Rentola | Being checked | |
| Kassa Fabrication (Armory License) | Virmire: Saren's Facility | Sold by Commander Rentola at the Salarian base camp before launching the assaultExact spot: being checkedHow: Purchase from Commander Rentola | Being checked | |
| Sirta Foundation (Armory License) | Virmire: Saren's Facility | Sold by Commander Rentola at the Salarian base camp before launching the assaultExact spot: being checkedHow: Purchase from Commander Rentola | Being checked | |
| Crate | Virmire: Saren's Facility | Inside the first geth anti-aircraft gatehouse next to the manual override controls | Being checked | |
| Weapon Locker | Virmire: Saren's Facility | Ground floor interior of the second anti-aircraft communications post | Being checked | |
| End-game manufacturer armory licenses and master gear | The Citadel: Lockdown | C-Sec Academy from C-Sec Requisitions OfficerExact spot: being checkedHow: Purchase from the vendor before executing the escape | Committing to the jailbreak plan with Anderson and escaping the Citadel on the Normandy | |
| Armor licenses, grenade/medi-gel capacity upgrades | The Citadel: Lockdown | Presidium Emporium from DelanExact spot: being checkedHow: Purchase from the vendor before executing the escape | Committing to the jailbreak plan with Anderson and escaping the Citadel on the Normandy | |
| Unique armor licenses and gear | The Citadel: Lockdown | Lower Markets from MorlanExact spot: being checkedHow: Purchase from the vendor before executing the escape | Committing to the jailbreak plan with Anderson and escaping the Citadel on the Normandy | |
| Equipment upgrades and licenses | The Citadel: Lockdown | Upper Markets from ExpatExact spot: being checkedHow: Purchase from the vendor before executing the escape | Committing to the jailbreak plan with Anderson and escaping the Citadel on the Normandy | |
| Medi-Gel capacity upgrades | The Citadel: Lockdown | Med Clinic from Dr. Chloe MichelExact spot: being checkedHow: Purchase from the vendor before executing the escape | Committing to the jailbreak plan with Anderson and escaping the Citadel on the Normandy | |
| Crash Site Med Kit | Citadel: The Final Battle | directly adjacent to the overturned Mako in the Presidium to the corner of the floor lightHow: pick up from the corner of the floor light | advancing past the section / point of no return | |
| Citadel Defense Turret #1 | Citadel: The Final Battle | along the surface of the Citadel Tower Exhaust PlainExact spot: being checkedHow: open via base manual override switch | advancing past the section / point of no return | |
| Citadel Defense Turret #2 | Citadel: The Final Battle | along the surface of the Citadel Tower Exhaust PlainExact spot: being checkedHow: activate using Average Electronics or bypass with 20 Omni-gel | advancing past the section / point of no return | |
| Citadel Defense Turret #3 | Citadel: The Final Battle | further down the path on the surface of the Citadel Tower Exhaust PlainExact spot: being checkedHow: activate via manual switch | advancing past the section / point of no return | |
| Maelstrom Armor Upgrades | Klensal | Inside a secure storage crate within the syndicate baseExact spot: being checked | Being checked | |
| Asari Writings | Solcrum | Crashed Probe located in the mountainous terrain northwest of the landing zone | Being checked | |
| Turian Insignia | Solcrum | Inside a Malfunctioning Probe situated in the south-central portion of the map | Being checked |
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