The welcoming was a surprise, but he was eager and more excited to meet the dwarf. His purpose in meeting the dwarf was to have them repair the portal gate that had Earth and Lukan connected. He did not plan to force them to work under him, and if they continued to live peacefully in hiding, he would let them be.
Unless they had the same ambition as him, he might crush them once they became an obstacle for his grand purpose. However, he had to admit that the dwarves were much more amazing than he thought to build this kind of base within three days.
The house was not a hut or even a wooden house, but they built the house with concrete material. It was not just any shabby random house, but a well-built house. Most of them were two floors, so a few families could live in the same building for the time being.