How did Yang Lu get the Sword God and the Peach God?

I got it under the guidance of Yao Lao when I was in the world;

Later, after entering the celestial world, they got Chi Xiaojian and Xuanyuan Sword respectively. It was not until Yang Lu broke through to the emperor's territory that Yang Lucai found the long-lost Zhu Xianjian in Wei Zi's ancient star field.

In sword domain's Fengyun novels, Lu * * * got four Excalibur, namely: Humane Lu Jian, Authentic Jian, Imperial Xuanyuan Jian, and Heaven's Sword.