Shield Wall

Building · Defense
Shield Wall
Plates under a white-light shield that regrows over time. Requires power: the shield only stands while the wall holds power - unpowered, the field drops and enemies walk through the gap. Build plenty, with a generator or battery in reach.
| Category | Defense |
| Main crystal | Obsidian (builds walls and pays for upgrades.) |
| Build cost | 25 Obsidian |
| Upgrades give | +HP, +Shield, +Shield Recharge |
Levels
Section titled “Levels”The cost on level 1 is the build cost; on later levels it is the cost to upgrade to that level. Your Base’s level caps how far every other building can be upgraded.
| Level | HP | Shield | Shield regen /s | Power store | Power use | Cost |
|---|---|---|---|---|---|---|
| 1 | 500 | 300 | 10 | 100 | 20 | 25 Obsidian |
| 2 | 1000 | 500 | 20 | 150 | 25 | 75 Obsidian |
| 3 | 2000 | 1000 | 40 | 200 | 30 | 150 Obsidian |
| 4 | 4000 | 2000 | 80 | 300 | 40 | 250 Obsidian |
| 5 | 8000 | 4000 | 200 | 400 | 50 | 400 Obsidian |
| 6 | 16000 | 8000 | 20 | 600 | 70 | 600 Obsidian |
| 7 | 32000 | 16000 | 40 | 800 | 90 | 900 Obsidian |
| 8 | 64000 | 32000 | 80 | 1000 | 120 | 1500 Obsidian |