How Cao Cao got the sword of the sage of the Three Kingdoms;

1. Xian Di saves the war: After meeting Xian Di, Cao Cao chose to "destroy the enemy" and won it as a trophy after the victory of the war;

2. Zhang Lu crusade (red line): presented by Zhang Lu after Cao Cao and Zhang Lu met;

3. Jianye invades the war (Blue Line): It can be obtained after killing Zhu Gejin.