Why Is There Pangu in the Holy Grail War?

[Shuangwen] + [Invincible] + [Single Female Protagonist] + [Dark Belly] Pangu, who retired, originally wanted to find a small world with "thin spiritual energy, few things and clean things" to retire, so he came to Xingyue World and changed his name to Xiong Er. After staying for a while, he felt too bored. He was curious about the Holy Grail of Fuyuki City - and he summoned the formation according to the master's process. Unexpectedly, when the array of light exploded, standing in front of him was Tiamat, who was carrying the primitive ocean and had his own "destruction and creation" aura. Seeing the mother goddess looking blankly at the modern street, and then looking at the other masters and heroic spirits coming from a distance, Pangu pinched little Tiamat's face and said, "That's all, let's help this 'little guy' adapt to the small world first." [This Pangu was created by the author and may be a little different]