Fate: Summon the Rock King Emperor at the Beginning

After major changes, the problems mentioned in the comments should be solved [no system + doujin + Fate + Genshin Impact + Shuangwen + Holy Grail War + Muhou flow + Invincible flow] Traveling to the scene of the Holy Grail War, I accidentally summoned the Rock King Zhongli. While other Masters were still fighting for the Holy Grail, my servant had already blocked the Sword of Oblivion with one hand and suppressed the King of Heroes with his backhand. Looking at the stunned Tosaka Rin, Zhongli said calmly: "In this world, demons and gods are together. Although I have no intention of competing, I know the suffering of the people."