The total number of envoy groups that Gaia sent out was four, and just like what happened in the Eastern Roman Empire, the envoy groups sent to the other three Kingdoms also received the same treatment.
However, their technology is too advanced, even the kingdoms or empires that have worked hard for tens or even hundreds of years cannot match how advanced the ship that Farak and his colleagues made, and all that because Lembuswana was the one who gave the knowledge to Farak, the knowledge that Lembuswana gave was not limited to what was in the future, but various references from what he had seen, whether from films, comics and others, and absurdly, Farak could make something from the absurd knowledge that Lembuswana gave, maybe that's how great the Dwarts were at creating something.
