Luo Huian had no desire to take an elf as her slave, but honestly, the circumstances told her otherwise. What was the point of making an elf her slave when she could do almost everything that an elf could? But after a short while, Luo Huian thought things through even more quickly. Though her strength was indeed more than the elves', she didn't have the resources of the elves, such as the spring water or the magical ability to pop from one dimension to another.
If she were to make use of his abilities, then not only would she be able to make quite a lot of difference in this world, but maybe she would be able to get an idea about what was going on with the dungeons that have opened all over the place.