The water root is already strong, it was assumed she had the qualifications of a strange root prior, now it can be said that she has two strange roots. As for going higher, a heaven root is not something one can achieve with more quantity, and her cultivation speed is closely linked to her creation art, so going around in a circle, her qualifications are still only like that of a single strange root, not that having two of them would be too much of an upgrade.
If she used a water-earth cultivation art, she might be able to cultivate even faster, but terraforming is this much more attractive, and since cultivation speed is only really a topic up to core formation, while comprehension of law becomes the key point in later cultivation, Ludwig understood the situation.
Nonetheless, he still looked at her once again and shook his head as he said "Wasting your water root is really too much of a pity. Little Wei, if you find a chance, try to go further with your terraforming. It's called 'Rivers and Mountains' for a reason, wouldn't it be much better if you could transform a vast empty landscape like this into a cultivation paradise instead of a long mountain range?"
These were told to her when Ludwig heard for the first time of her occupation. When she heard it, she was somewhat confused and didn't pay it any heed, only when Ye told her that what Ludwig said might be right, did she pay real attention to this case.
The carriage was parked, and the two formation masters went around working, so the others spread around making sure everyone was safe while Ludwig entered the carriage again to meditate and think of how he would proceed next.
Ludwig was comprehending and learning the stealth art he gained before he reincarnated. This art is one passed down many generations between a master and student, most of the time they were rogue cultivators, so the focus laid a lot in theft and assassination.
It was passed down for a long time, so the inheritance of it reached very high levels. At least Ludwig thoughts so, but he didn't really understand the deeper parts of the memories he stole, so he was only able to understand somewhat up to the core formation part.
The most interesting for him is that the stealth art focuses on blending the body into the ethereal world. Not just having a projection, but fully blending it in, while still maintaining the connection to the physical world. Ludwig naturally knew it was possible for high-ranking people to fully transfer their body into the ethereal world and use the ethereal world as a means of transportation since the laws of time and space are different there.
But this art put one in a constant state of transferring into the ethereal world but not actually being there. It was weird to describe, but Ludwig understood that this art of stealth tries to fully eliminate the presence in the physical and ethereal world but keeping the connection to both of them active.
If one succeed, they would be able to move through the ethereal world and steal things or kill someone in the physical world, even though they don't exist in either of them. Naturally this isn't possible to happen normally, no matter what, you need to exist fully in at least one world.
'This is great fortune I have… or well, if the art wasn't like this, then the memory wouldn't have been so strong' Ludwig thought, because he saw this was actually a stealth art that uses the nether world as a hub of controlling the body that was in a state of transfer.
The bodies' brain, which fuels the consciousness, enters a dormant state during the transfer, while the dantian, which is carrier and fuel of spiritual power, is in a state of opening during the transfer, attempting to build a connection fully, so it's not able to move on its own either.
Meaning the body and dantian, two of the three cores of the self, aren't able to do anything. Only the soul, carrier of consciousness, is theoretically able to do something. But the soul is connected to the body via the dantian, during the state of transfer, both are not responding and one could say the soul in that moment is like a machine that is constantly sending signals which are not received on the side of the dantian, the soul can only act upon instinct theoretically, but the instinct is carried by the body, not the soul, so the soul is also dormant.
Even on the much higher stages, this process becomes incredibly fast so it isn't a weakness, but without a special art, they aren't able to do anything in that state either. This art tries to go against this trend and mutates the soul somewhat to make it self-sufficient in every case.
To cultivate this art though, one needs to at least enter the nether world. For others, this might be very challenging, but for Ludwig and his wandering soul art, he was sure that as long as he progressed to the core formation stage, he'd be able to enter the netherworld. As for how successful he's there, that's a different question for a different time.
Ludwig spent his time understanding the art while meditating to gain a deeper comprehension of it. After all, such an art was dangerous and could mean his whole existence if he were to use it wrongly. He is curious about one thing though.
As far as he saw, this art is very fit for the wandering soul art, but from the few memories he gained, he saw that the person he stole the memories from wasn't a soul cultivator. This meant that the person managed to do such a thing as entering the nether world without being a soul cultivator. The only way possible is to have a strong soul, a good cultivation as well as a special art that allows someone to do it temporarily.