Immortal Martial Arts: Starting from the Purple and Green Swords

Traveling to the world of Xianwu, Su Zhan got a god-level selection system. 1. Help the man and woman and reward them with an old sword. 2. When two parties are in danger of losing, kill the man and the woman, and then one of them kills and steals the goods. Please select. Just kidding, the other party is my master's enemy, how could I choose the first option? Then the only choice is the second one. Congratulations to the host, you succeeded in killing and selling goods, and obtained the artifact purple and green swords. From then on, Su Zhan was invincible and invincible in this world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.