At the beginning, he signed in to the Myriad Primordial Immortal Body, Ye Fan.

"Sign in for the Myriad Primordial Immortal Body at the beginning" was a fantasy novel. It told the story of Nangong Chen accidentally transmigrating to the Tian Yuan world and obtaining a divine-level sign-in system. From then on, he began his path to invincibility. He signed in at different places and obtained powerful cultivation resources and abilities, such as the supreme immortal scripture, the Primordial Immortal Scripture, the Emperor's Heart, and the Starry Sky Divine Boat. Through signing in and cultivating, he continuously increased his strength, explored the endless legends of the starry sky, and fought in the myriad worlds. The novel was themed with transmigration, the system, counterattack, and invincibility, showing the growth and adventure of the protagonist in the world of cultivation.

The opening signing of the Myriad Dao Primordial Immortal Body was a fantasy novel written by a planet. The story told that the protagonist, Nangong Chen, had accidentally transmigrated to the Tian Yuan world and obtained the god-level check-in system, thus beginning his path to invincibility. By signing in at different places, he obtained powerful cultivation resources and abilities, such as the Supreme Immortal Scripture, the Heart of the Emperor, and the Starry Sky Divine Boat. The novel was themed with transmigration, the system, counterattack, and invincibility, showing the growth and adventure of the protagonist in the world of cultivation. The specific plot and content needed to be understood by reading novels.

"Sign in to the Myriad Ancient Immortal Emperor Body at the beginning" was a fantasy novel written by Xue Yun. The story was about the protagonist, Xia Changge, who accidentally transmigrated to another world and became the Holy Son of the Upper Realm. She also received a system that rewarded her for completing a mission. The specific plot and content needed to be understood by reading novels.

The opening signing of the Myriad Ancient Immortal Emperor Body was a fantasy novel written by Xue Yun. The story was about the protagonist, Xia Changge, who accidentally transmigrated to another world and became the Holy Son of the Upper Realm. She also received a system that rewarded her for completing a mission. The specific plot and content needed to be understood by reading novels.

The opening signing of the Myriad Ancient Immortal Emperor Body was a fantasy novel written by Xue Yun. The story told that Xia Changge accidentally transmigrated to another world and became the Holy Son of the Upper Realm. She also received a system that rewarded her for completing a mission. We have no way of knowing the specific plot and content.

"Sign in to the Myriad Ancient Immortal Emperor Body at the beginning" was a fantasy novel written by Xue Yun. The story was about the protagonist, Xia Changge, who accidentally transmigrated to another world and became the Holy Son of the Upper Realm. She also received a system that rewarded her for completing a mission. The specific plot and content needed to be understood by reading novels.

"Sign in to the Myriad Ancient Immortal Emperor Body at the beginning" was a fantasy novel written by Xue Yun. The story was about the protagonist, Xia Changge, who accidentally transmigrated to another world and became the Holy Son of the Upper Realm. She also received a system that rewarded her for completing a mission. The specific plot and content needed to be understood by reading novels.

The opening sign of the Primordial Dao Body was a fantasy magic novel by Ye Fan. The novel told the story of the protagonist, Ye Fan, who obtained the Primordial Primordial Dao Body through signing in and started a series of adventures and cultivation stories. The specific plot and chapter content could be found in the search results provided.

The opening sign-in to the Celestial Demon Body was a fantasy novel. It told the story of the protagonist who obtained the sign-in system after transmigrating to the fantasy world. Through the sign-in, he obtained the Celestial Demon Body and other powerful abilities. The protagonist used these abilities to grow in the world of immortal cultivation and defeat his enemies, eventually becoming a legendary figure of the Supreme Godly Emperor.

Ye Changsheng was a character who had traveled through the fantasy world. At the beginning of the game, he had awakened the Chaotic Sword Body and obtained the check-in system. Through the check-in system, he had obtained abilities and items such as the Celestial Slaying Sword Formation, the divine power Burial Heaven, the number one divine pulse in history, the baby Chaos Divine Dragon, and the Northern Dark Divine Technique. Ye Changsheng's cultivation technique could also mutate. He could even transform into a kun and devour the heavens and the earth. He was invincible in the world and confidently pointed at the Greater Universe. The search results did not provide more details about Ye Changsheng's story.