Launches a mine into the water each time you press its button or it gets an automation signal. Mines drift with the current, faster in faster water, arm after a short while, and go off when they hit something, or at the bottom of a waterfall.

The slipway’s boat also arms Moored Mines nearby.

A blast

a blast destroys small buildings, damages bigger ones and walls, weakens dams, hurts beavers and sets off armed moored mines nearby, which can chain.

Mines don’t know friend from foe: they hit whatever they meet, yours and your allies’ too.