The King of Soldiers Retired and Unexpectedly Became an Immortal

After retiring, I thought I would have no more military responsibilities after leaving the military camp! Can! However, he obtained the resources for cultivating immortality from the relics of his sacrificed comrades, and has since embarked on the road to cultivating immortality. Of course, I still remember those comrades who died on the battlefield. For this reason, after embarking on the path of cultivating immortals, I still have the style of a soldier.