C2872 The Torture of Blades and Swords

After a successful trial, Feng Yixiu replicated the process, first forging the Infernal Bone Sword, then releasing the corresponding number of sword souls to merge with it.

Crafting the Infernal Bone Sword was not only a drain on spiritual power and psychic force but also required the integration of the Vermilion Bird Flames and the Holy Thunder of the Azure Dragon. For Feng Yixiu