Submarine
OSMOTIC GENERATOR
Humboldt Drive Upgrade
Fixed technology definition · Exocraft
How to obtain
- Blueprint research path
Vehicle Upgrades → Nautilon Upgrades
Previous unlock: HUMBOLDT DRIVE → HIGH-POWER SONAR
Research-tree membership does not establish the current vendor, location or effective unlock price. - Blueprint research path
Vehicle Upgrades → Craftable Upgrade Blueprints
Previous unlock: FUSION ENGINE → HUMBOLDT DRIVE → HIGH-POWER SONAR
Research-tree membership does not establish the current vendor, location or effective unlock price.
Source snapshot: 2026-10-18
Installation materials
Statistics
| Statistics | Value |
|---|---|
| Fuel Usage Technical key: Vehicle_EngineFuelUse | 0.8 |