Cosmocraft.
"Whoa…"
Skyla exclaimed in surprise as she saw the big spaceship floating in front of her. It wasn't just her, the rest of the women seemed impressed as well. After all, this was the first time they had seen something like this. Their curiousness couldn't be hidden.
"This is called Cosmocraft.
Since there is no air in the outside space, travelling freely isn't possible. Strong Cultivators can use their Mana to forcibly keep their body functioning for a while, but even then, it is not a permanent solution. Especially considering the fact that the world we are going to visit is thousands of light-years away.
Even for Strong Cultivators, travelling that long in such unfavourable conditions isn't possible.
Some other problems while travelling through space were also noticed, therefore, the Dwarven Progenitors came up with this.