Author: Pin Xian
As Lin Xuan's natal true fire, the Phantom Spirit Heaven Fire had been inherited from the Hundred Poisons Divine Lord of the Ink Moon clan. Its original form was the "Azure Phantom Nether Fire," a supreme treasure of the Ink Moon clan in the Human World. Ever since Lin Xuan had refined this fire, it had essentially slain whoever stood in his way and killed whatever god blocked his path. Whether he used it to uphold justice or murder others for treasure, it had never failed him and was rarely restrained by anyone.
From the moment it appeared, the Azure Phantom Nether Fire had possessed a mysterious connection with Lin Xuan. Like Lin Xuan, the Blue Star Sea, Yue'er, the Five Dragon Seal, and the Luo Heaven Dharma Image, it had originated from You Province and concealed an unresolved mystery from millions of years ago.
More importantly, in that painting of the Asura King from years ago, the scene conveyed the notion that "the deep emerald flame in the sky seemed poised to devour everything, threatening the Asura King's life." That flame was presumably the Azure Phantom Nether Fire possessed by Lin Xuan.
So, could a flame capable of threatening an Asura who could battle a True Immortal truly be so simple in its power? Clearly not. Beyond the few abilities it had currently displayed, some still-unknown powers lay hidden within it. Here are a few speculations:
The Azure Phantom Nether Fire was an inherited treasure of the Ink Moon clan in the Human World and had fallen into Lin Xuan's hands. In the recent East Sea arc, Lin Xuan had found another important item in the ruins of the Ink Moon clan within the Spirit World—the Ink Moon Heaven Witch Art and the Nine Palaces Moment