The time it took for an incense stick to burn passed.
Over ninety percent of Feng Fei's True Yuan had been consumed, yet she had only covered half of the hundred-zhang distance.
With her True Yuan running low, the power of the Five Thunders Orthodox Method had also weakened by more than half compared to the beginning.
Meanwhile, both inside and outside the formation, the yin wind still howled, and densely packed Remnant Souls continued pouring in one after another.
Under the ceaseless onslaught of the Remnant Souls, the Five Thunders Orthodox Method could no longer hold on.
The forty-nine bolts of thunder paused slightly, then vanished into nothingness.
The next instant, shrill howls rang out from within the yin wind.
Countless Remnant Souls seemed to have been injected with chicken blood, their auras suddenly surging as they scrambled toward the tricolored stream.
"Master! Master!!!"
Seeing this, Feng Fei clenched her delicate fists, her eyes blazing wide as though their corners would split apart!
In her desperation, she parted her crimson lips and, heedless of her own safety, directly summoned her Golden Core.
In an instant, a dazzling golden radiance flared up, like a rising sun in the darkness, shooting straight toward the coffin.
The Golden Core blazed a trail ahead, radiating vast Pill Essence. Wherever it passed, great numbers of Remnant Souls melted away, forcibly carving out a path.
But before the Golden Core could reach the coffin, another series of shrill howls rang out, and more than ten cultivators' Remnant Souls rushed forth.
Though they had long lost their intelligence, driven by instinct, they seized the chance to enter through Feng Fei's glabella and charge toward the Sea of Consciousness within her Numinous Palace, intending to take possession of Feng Fei's physical body.
With her Sea of Consciousness