Actually, when Song Shuhang saw this final boss shrouded in flames coming over to kill him, as well the thick ice and this glacial world he was using to suppress his injury, he found the scene very familiar...
A long time ago, there was this other powerful cultivator—who had been injured by the flames of tribulation—that had rushed toward him in order to kill him. At that time, under the advice of the seniors of the Nine Provinces Number One Group, Song Shuhang had taken out his Three Stars Fire Controlling Fan, waving it a few times and reducing that powerful cultivator to ashes.
That cultivator was Ba Qianjun, the sect master of the Moon Saber Sect—the same person that had left behind the treasured saber Broken Tyrant.
As such, Song Shuhang tried to operate his Fire Controlling Art to make the flames shrouding the stone giant burn even more fiercely.