Who is the most powerful immortal (including western mythology and Buddhism)?

Pangu, when chaos first opened, everything was lifeless, and heaven and earth were connected as a whole. Only a chaotic violet was bred in it, with five leaves and twenty-four petals, forming a lotus seed. After waiting for the expiration of billions of years, the lotus seed cracked and the great god Pangu was born with an axe in his hand. Dissatisfied with the endless depression in chaos, the great god Pangu split the world with that axe. At the moment when Pangu Great God fell, the Qi of Sanqing and the Qi of Twelve Turbidity escaped from him. These three ways to purify the air rose to Taiqing Taishang Laojun, Yuqing Primitive Buddha and Shangqing Tian Tong Taoist. Twelve turbid qi descended to twelve ancestors, namely, Ru Shou, the golden ancestor. Ju Mang: The Wood Wizard. * * * Worker: Water Spirit. Zhu Rong: The Wizard of Fire. Tianhao: the ancestor of the wind. Xuan Ming: the ancestor of rain. Liang Qiang: the ancestor of thunder and lightning. Liz: The ancestor of electricity. Di Jiang: the ancestor of space speed. Ancestors of time. The ancestor of the weather. Been earth: wizard of the earth. So these should not exceed Pangu. At the beginning of the chaos, a creature in West Kunlun got the pieces of "Jade Dead" and made it into the self-styled ancestor of Hong Jun in Taiyi Xian Zhen. According to this inference, Pangu's ability should be above this person. There used to be a saying that "Hong Jun is ahead, and the land oppressors are still ahead". He is supreme, he will not participate in worldly affairs, nor will he take sides with anyone. In this world,