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Stone Wall

Stone Wall, a Firnreach building, standing alone on packed snow in daylight.

Building · Defense

Stone Wall

A plain 2-cell wall of fitted stone blocks. No power, no shield: it just blocks the way. Cheap - wall off a lane early.

Category Defense
Main crystal Obsidian (builds walls and pays for upgrades.)
Build cost 15 Obsidian
Upgrades give +HP

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 Cost
1 600 15 Obsidian
2 1200 50 Obsidian
3 2400 100 Obsidian
4 4800 175 Obsidian
5 9600 275 Obsidian
6 19200 400 Obsidian
7 38400 600 Obsidian
8 76800 1000 Obsidian