There are over a billion transmigrators in Battle Through the Heavens.

He transmigrated into Battle Through the Heavens and became the protagonist Xiao Yan, starting off with an incredibly lucky start. But he never expected that he wasn't the only transmigrator.
Butler Mo: "Third Young Master, give me the ring on your hand, and I can let you die a little more easily."
Yunshan: "I transmigrated too late! Xiao Yan is about to go to the Yunlan Sect, is there any way I can save him?"
Han Feng: "Xiao Yan, Yao Chen, once you enter the Black Corner Region, it will be your death day!"
Soul Emperor: "A battle between two emperors? I'll take all the statues and pills this time. Let's see how you become an emperor!"
……
Xiao Yan: "Luckily, I was a little too cautious. Back in Wutan City, I was already a Dou Huang powerhouse, a rare find."