Unlike many of the Imperial Guards artillery pieces that fling shells high over a curtain wall, the Medusa tends to fire its heavy shells directly at it, and eventually through enemy fortifications. What a Medusa Siege gun lacks in reach it more than makes up for in sheer destructive power. When tasked with breaching enemy bulwarks and heavily armoured installations a Medusa may be equipped with specialised bastion-breacher shells. These munitions sacrifice explosive yield for extra propellant and a much greater penetrative power. Armed so, a Medusa Siege gun can level a bunker with only a single shot, and it is a foolish foe indeed that lingers for long in the face of such firepower.