All the People Are Cultivating Immortals, I Will Start the Era of Cultivating Immortals

[Submit the country + travel between two realms + mythical ability] Chen Luo has obtained the door to travel, and he only needs to complete the tasks issued by the system to get rewards! But as an ordinary person, he was no match for those creatures, so he turned over the door to the country. [Kill a first-level creature and get all attributes +10! [Kill ten first-level creatures and get all attributes +100! [Kill one hundred first-level creatures and obtain the basic breathing method! ………… Through the portal of time travel, Chen Luo finally became the master of the world! Move mountains and create seas, anything is possible!