Here is the translation of the Chinese text into English, adhering to your specified instructions:
Yu Yan's Jade Refining Body noticeably weakened, and the jade light on her body grew dimmer and dimmer.
The Blood Demon Spear flew through the air once more, stabbing toward Yu Yan's head. This time, however, her Jade Refining Body failed to block it, and the spearhead managed to pierce into her skull.
As the jade light on Yu Fang's body weakened, the spearhead of the Blood Demon Spear gradually pushed further inside.
"The same mistake, I won't make it a second time. Yu Yan, begone," Yu Xuanji said, as the blood light on the Blood Demon Spear erupted with intensity. The Bloodline Law pulsed continuously, bit by bit shattering Yu Yan's Jade Refining Body.
Suddenly, Yu Xuanji frowned, his eyes shifting to the Heavenly Refining Jade Furnace in his hands.
