Bronze shoots 0.7 bolts per second
Silver shoots 1.7 bolts per second
Gold shoots 4.2 bolts per secondShoots it's own column only. Has no maximum distance. Only starts shooting dragons once they become visible, when they appear out of the clouds. The bow also will point upward to shoot bolts (ballista arrows) at dragons above it. The bolts always hit a dragon, even if the dragon has moved horizontally. If there's no dragons remaining then the bolt disappears.