As minutes passed, the opposing force of the stone got weaker and its size smaller, the red-colored pattern was now more clearly visible, and the flame's real target was these marks.
Almost an hour had passed, the stone had been reduced to almost half of its size and it no longer fought back, but the flames continued to devour it with the same ferocity, like a demon with bloodlust.
Finally, when more than two hours had passed, the stone had become a thin circular sheet, its thickness just a little above that of a paper's.
When the attacking sound had stopped, Lucian opened his tired eyes and looked down at the circular piece of stone, even though it was so thin, Lucian still couldn't break it.
"So what now?" he wondered, but before Zero could give any answer, the black flames devoured the remains of the stone, leaving nothing behind as the red patterns glowed in the room.