![](https://cdn.palobby.com/server-mods/Legion-Expansion-Combined-1.24.0/pa/units/sea/l_sea_mine/l_sea_mine_icon_buildbar.png)
![](https://cdn.palobby.com/server-mods/Legion-Expansion-Combined-1.24.0/ui/main/atlas/icon_atlas/img/strategic_icons/icon_si_l_sea_mine.png)
Sea Urchin
Sea Mine - High damage. Invisible to most units.- HP: 5
- Build cost: 80 metal
- Maximum range: 10
- Build locations: water surface
Overview
Blueprint![](https://cdn.palobby.com/server-mods/Legion-Expansion-Combined-1.24.0/pa/units/sea/l_sea_mine/l_sea_mine_icon_buildbar.png)
![](https://cdn.palobby.com/server-mods/Legion-Expansion-Combined-1.24.0/ui/main/atlas/icon_atlas/img/strategic_icons/icon_si_l_sea_mine.png)
Sea Urchin
Sea Mine - High damage. Invisible to most units.- HP: 5
- Build cost: 80 metal
- Maximum range: 10
- Build locations: water surface
Overview
Blueprint- No underwater vision
- Radar radius: 10
- Sonar radius: 10
Recon
- No underwater vision
- Radar radius: 10
- Sonar radius: 10