Fang Han could not use the Instant Kill Method, because he had not yet cultivated the Great Profound Gold Sword Qi and had not further practiced the Instant Kill Method. In fact, his current level of cultivation was limited, with the Five Elements not being complete, making him just entering the Heavenly Human Realm. On the other hand, Perfected Xuan Tie was at the peak of the Sixth Realm Unifying Divine Power!
The difference between the two realms was not insignificant.
However, fortunately for Fang Han, his mana surged with the strength of five hundred thousand fierce horses, while Xuan Tie had only one hundred and fifty thousand. There was a difference of about four times.
