Legends say that Norse berserkers would lose all reason in battle due to their uncontrollable fury.

berserkers 是名词 berserker 的复数形式。berserker 来自古诺尔斯语，由 ber-（"熊"）和 serkr（"衬衫"）组成，字面意思是"穿熊皮的人"，指古代北欧传说中在战斗时会陷入狂暴状态的战士。