Although Chen Fan was able to defeat an army of ten thousand strong, there had been many threats to him in this world, such as the nuclear bomb, hydrogen bomb, and laser weapons.
Although a connate cultivator has not only Connate Body but also numerous kinds of Dharma Treasures, Dharma spells and Arcane Energy Bulwark at his disposal, Chen Fan could not ward off all of the deadly attacks using his Azure Thearch Longevity Body alone.
That had somewhat limited Chen Fan's actions on this planet.
Therefore, even when Chen Fan sought revenge against Russia, the An family and the Fu family, he had held back his thirst for blood and kept the number of deaths to the minimum—just enough to send a message to his enemies. He wouldn't have only killed one person: Fu Zhengtin, while he was in the An family if he wasn't wary of the might of the Chinese government.
However, things are different now that he had finally reached the Divine Sea level.