《汉书·传·魏相丙吉传》
后元二年，武帝病了，往来于长杨、五柞二宫之间，望气者说长安监狱中有天子之气，于是漠武帝就派使者把中都官韶狱的犯人一一抄录清楚，不分罪过轻重一律杀掉。
后元二年，武帝疾，往来长杨、五柞宫，望气者言长安狱中有天子气，于是上遣使者分条中都官诏狱系者，亡轻重一切皆杀之。
In the second year of Houyuan, Emperor Wu fell ill and traveled between the two palaces of Changyang and Wuzhuo. A fortune teller said that there was the spirit of the emperor in the prison of Chang'an, so Emperor Wu sent messengers to make a complete list of the prisoners in the prison of Zhongduguan Shao, and ordered that all of them be killed regardless of the severity of their crimes.
<s>[INST] Kindly elucidate the central themes in this passage in English: 后元二年，武帝疾，往来长杨、五柞宫，望气者言长安狱中有天子气，于是上遣使者分条中都官诏狱系者，亡轻重一切皆杀之。 [/INST] In the second year of Houyuan, Emperor Wu fell ill and traveled between the two palaces of Changyang and Wuzhuo. A fortune teller said that there was the spirit of the emperor in the prison of Chang'an, so Emperor Wu sent messengers to make a complete list of the prisoners in the prison of Zhongduguan Shao, and ordered that all of them be killed regardless of the severity of their crimes.</s>
Kindly elucidate the central themes in this passage in English: 后元二年，武帝疾，往来长杨、五柞宫，望气者言长安狱中有天子气，于是上遣使者分条中都官诏狱系者，亡轻重一切皆杀之。
user
In the second year of Houyuan, Emperor Wu fell ill and traveled between the two palaces of Changyang and Wuzhuo. A fortune teller said that there was the spirit of the emperor in the prison of Chang'an, so Emperor Wu sent messengers to make a complete list of the prisoners in the prison of Zhongduguan Shao, and ordered that all of them be killed regardless of the severity of their crimes.
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