Trône de Fer : Mangonneau des Constructeurs de la Garde de Nuit

The Crews maintain that the massive catapults that defend the Wall itself are defined by their varieties of specialized projectiles, earning them the more vaunted name. And yet, when a Stone Thrower sends a hundred-pound boulder rolling through enemy ranks, crushing troops even in the heaviest armor, no one much cares about the distinction. While deadly and powerful, the Stone Thrower is cumbersome to move, and quite vulnerable to enemy cavalry.