I’ll do it myself

Even though the <Scarlet Cloud Combat Technique> was the one Xue Ying felt would be the easiest to alter–and he easily improved the 'Scarlet Cloud Domain' after learning the Chaotic Origin First Strike–the combat technique still consisted of five techniques in overall. Some were easy while others were difficult, especially so with the 'Combined Technique'. Naturally, it was comparatively easier to alter it as compared to altering 'Spectacular Painting' and 'Chaotic Origin Dao Scroll'.

And he was close to succeeding in his task.

...

The tenth stage began.

Even though this stage was much harder than the previous stage, the strength of Paragon Master Bewitching Sword was honestly frightening. Furthermore, his combat style was absolutely compatible with Paragon Master Pu Su's domain! Even though Xue Ying suffered from several incoming attacks, he had easily defended himself with a spear. Hence, he crossed through this stage quite casually.