C439 Sword Qi

Although the sword in Xia Bing's hand was materialized using spiritual energy, it did not mean that the sword was just made of Qi and did not have any major changes to it.

The secret of the Autumn Water Mirage Sword was that the sword embryo had a high flexibility, it was as soft as willow leaves and as changeable as tide, the sword embryo did not have a fixed shape