His eyes have been burned by sparks of red-hot metal. He's been hit by a flying lump of iron, and the skin of his hands and arms has been repeatedly scorched. He has damaged the ligaments in his thumb by using incorrect technique to wield the huge hammers needed to shape his chosen materials.
創作中，雙眼被四處迸濺的火星灼傷、也曾被反彈的鐵板擊傷，燒紅的鐵片多次直接掉落手臂，皮膚嚴重灼傷；用力槌打鐵片時，因施力不當，拇指韌帶受傷… …。