4★ Explorer Pure Gas
Research · STATION
Improves the base cost efficiency of Gas for Grade 4+ Explorer components.
- Tree
- STATION
- Requires
- Ops 40 · Parsteel Fortification 1 · ASTRONAUTICS STUDIO 40
- Requires at level 10
- Ops 49 · 4★ Interceptor Pure Crystal 9 · 4★ Battleship Pure Ore 9 · ASTRONAUTICS STUDIO 49