The first terraforming ships arrived and got the planet ready with the basics. A breathable atmosphere, livable temperatures, in a clear space to set up the fabricators. The second round adjusted the landscape to Support growing adapted crops. The third brought the humans and they experimented and adjusted the plants and introduced a few animals. They hoped could further improve the biosphere. Working their way up from bacteria to fish and insects and eventually some birds and lizards and small rodents. That’s when the imperial rodaniii terraforming ship arrived, wiped the planet clean, and prepared it for their own species..