4★ Explorer Defensive Shields
Research · STATION
Increases the base Shield Health of Grade 4+ Explorers when defending in the station.
- Tree
- STATION
- Requires
- Ops 47 · 4★ Explorer Defense Formation 2 · SCIENCE LAB 47
- Requires at level 10
- Ops 56 · 4★ Interceptor Defensive Shields 9 · 4★ Battleship Defensive Shields 9 · SCIENCE LAB 56