This shows that the author has considerable confidence in his calligraphy attainments, and Fengshen is a calligraphy term! Hero? I won't say much here, hehe! In the Southern Song Dynasty, Jiang Kui wrote "Continued Book Spectrum": "Those who do it must have high character, learn from the ancients, be good at writing, be bold and vigorous, and be brilliant.
Six must be moist, seven must be appropriate, and eight must be innovative. "
Refers to a realm of calligraphy, emphasizing innovation, but warning future generations not to violate the ancient law! I hope my answer is helpful to you!