Are you tackling the Outpost Infra-Station quests in Arknights? Endfield? This comprehensive guide covers everything you need for the Outpost Infra-Station mission and the OD Project Infra-Station investigation chain (I, II, and notes on III). Located in Valley IV’s Originium Science Park, these quests unlock a vital outpost for base-building, resource trading, and regional development. Completing them nets Oroberyl, Operational EXP, and outpost levels for better Stock Bills and AIC factories.
Whether you’re scanning clues, building ziplines, or tuning devices, follow these step-by-step walkthroughs to breeze through.
Prerequisites for Outpost Infra-Station and OD Projects
These exploration missions are part of the Path of Ascension > Chapter 1 – Process 3 quest line. Here’s what you need:
| Mission | Unlock Prerequisite | Location |
|---|---|---|
| Outpost: Infra-Station | Complete “Mystery in the Building.” | Originium Science Park (Valley IV) |
| OD Project: Infra-Station I | Outpost: Infra-Station | Same, messages trigger |
| OD Project: Infra-Station II | OD Project I | Messages trigger |
| OD Project: Infra-Station III | OD Project II | Messages trigger, prosperity-related |
Reach the main mission “Cross the Science Park” to access the area.
Outpost: Infra-Station Walkthrough
This kicks off the chain: investigate missing workers and deploy a Sub-PAC to establish the outpost.
- Head to the Infra-Station: Fast-travel to Mountain Path Slope TP Point in Originium Science Park. The objective is just south—find queued crew members.
- Talk to Noffman: At the line’s end, speak to the leader. Learn workers’ signals traced to the Research Center.
- Investigate the Research Center: Return to the TP Point and head to the marked building. Use Scan to reveal 3 clues (follow faint light beams for hidden ones).
- Check Intel in Archive: Press V to open Archive > Intel Gathering tab for incident details.
- Report Back: Return to Noffman. Da Pan notes the lack of a watchtower; deploy the Sub-PAC at the marked spot.
Rewards: 200 Oroberyl, 200 Operational EXP. Unlocks outpost and OD Project I.
OD Project: Infra-Station I Walkthrough
Triggered by messages (press V): Noffman’s SAR team is overdue.
- Locate the Team: TP to the point between Originium Science Park and the Research Center (south marker). Defeat Landbreakers.
- Find Noffman: Follow the marker across the chasm area.
- Build Zipline Route:
- Place the Zipline Tower at the cliff marker.
- Add an electric pylon next to it.
- Use the nearby Relay Tower to create a tether; attach to the pylon.
- Fast-travel to AIC Facility at Infra-Station; repeat for second tower (add extra pylon if gap is short).
- Ride and Rescue: Latch onto the zipline to retrieve the injured.
Rewards: 50 Oroberyl, 200 Operational EXP, Infra-Station levels up (unlocks trading).
OD Project: Infra-Station II Walkthrough
Messages alert: Landbreakers hit a refuge; Noffman’s at the tower.
- Infra-Station Check: TP to AIC Facility marker. Talk to crewmates (1/3 tasks).
- Gather Engineering Work Notes: Scan site—1 in container van on table, 2nd across room (3/3 tasks).
- Talk to Da Pan: he needs help at the Control Center.
- Control Center (Route 5 TP North):
- Tune Thermostat 1 (for Da Pan): Attack repeatedly to sync green-highlighted bars.
- Tune Thermostat 2 (for Noffman): Same—maintain momentum.
- Wrap Up: Talk to Noffman, return to Infra-Station.
Rewards: 50 Oroberyl, 200 Operational EXP, outpost levels up (unlocks OD III).
OD Project: Infra-Station III Guide
Unlocks post-II via messages. Focuses on hitting prosperity limits for level 3/4 via trades/development. Expect building, intel, or defense. Once at level 3, prepare for Area Defense incursions (random enemy waves).
Level 3 Defense Tip: 8 Surge Towers + 3 Beam Towers work on auto (block paths with structures).
Full Rewards Table
| Mission | Oroberyl | Operational EXP | Key Unlock/Bonus |
|---|---|---|---|
| Outpost: Infra-Station | 200 | 200 | Outpost unlocked |
| OD Project I | 50 | 200 | Level 1 → 2 |
| OD Project II | 50 | 200 | Level 2 → 3 |
| OD Project III | TBD | TBD | Level 3 → 4, more trades |
Outpost Management Tips After Investigations
- Trade Often: Fulfill requests for Prosperity EXP and Stock Bills (use in Stock Redistribution).
- Assign Operators: Antal gives a 20% extra Stock Bills chance (SAR Response + Turn Scrap to Treasure).
- Defense Prep: Unlock after Refugee Camp Lv2 + its OD I. Place Combat AICs strategically.
- Prosperity Perks: Higher levels = bigger AIC areas, better rewards, and visual upgrades.
FAQs
Q: Can’t power the zipline?
A: Chain tethers from powered pylons; short gaps need extras.
Q: Thermostats resetting?
A: Hit consecutively—keep bars green-synced without pauses.
Q: How to max prosperity fast?
A: OD quests + max trades. Assign bonus operators.
Q: Is OD III bugged on PS5?
A: Restart or skip dialogue if stuck—community reports.
Master these for a thriving Infra-Station! Check back for III updates as patches roll out.
