UpgradesVehicle upgradesVehicle Upgrade Console
Prawn suit propulsion cannon
Industrial-strength propulsion cannon designed to fit the Alterra prawn suit
Slot Exosuit Arm
How to get
Craft
Vehicle Upgrade Console › Exosuit modules
Fragments
Prawn suit propulsion arm fragment
Scan 2× Prawn suit propulsion arm fragmentNearest to your start: Underwater Islands Wreck, 911 m N, 201 m deep · 98% chance at least one spawns there
| Where | At least one | Expected | Depth | From your start |
|---|---|---|---|---|
| Sea Treader Path Wreck47 random spots · up to 40% each | >99% | 4.9 | 157–203 m | 1.22 km SW |
| Underwater Islands Wreck27 random spots · up to 30% each | 98% | 3.5 | 192–201 m | 911 m N |
| Mountains Wreck 123 random spots · up to 15% each | 97% | 3.2 | 341–369 m | 1.45 km NE |
| Mountains Wreck 29 random spots · up to 15% each | 72% | 1.2 | 277–287 m | 1.80 km NE |
Fragment finder lists every blueprint.
Subnautica data: build 83031 (Oct 2025)