Apart from Formation, An Jing also fortified the weaker aspect of his 'Art of Magic'.
Indeed, An Jing's innate talent for Magical Combat is extraordinarily strong, so much so that he can yield an awe-inspiring effect with a single Divine Skill, and can even create a 'temporary Martial Vein Array Diagram' akin to a Secret Transmission.
However, he has never systematically studied the Art of Magic.
Simply put, An Jing can effortlessly gather Fierce Flame and Golden Qi, shaping them into a Taibai sword burning with Bone-Eroding Blood Flame. But this is solely due to his innate talent; if asked to form a 'Qi Blade' with purest Spirit Qi without involving Taibai Fiendish Qi and Mars Blood Fiend, he might need to expend even more effort.