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Burst!
Sparks shattered, exploding up to the furnace walls and bouncing back to the bottom.
The entire courtyard was blasted by a hot wind, the black Melting Furnace glaring so brightly it hurt the eyes, resembling a crimson giant eye, with the spear in the center transforming into a narrow, upright slit pupil.
Raindrops splashed down, dispersing into a thick white mist that made breathing stuffy, not allowing air through.
But close to the Melting Furnace, the rainwater, a mere few inches from the furnace wall, turned into scalding steam, a layer of high temperature completely transparent, with boundaries clearly visible.
Lu Zao stared intently at Fubo, regularly pouring firestones into it.
At first, he used an iron shovel, but later on, he abandoned the shovel completely, simply tossing in baskets of firestones along with the wicker, which in an instant burnt to a thin layer of ash.