His parents just need to cultivate according to the secret manuals and techniques he taught, and they can absorb the energy within the formation without taking medicine, allowing them to cultivate.
Because such secret manuals don't require a spiritual root, ordinary people can cultivate too, though without the talent of having a spiritual root, the abilities aren't that strong.
However, with the formation designed by Luo Baojun, and the energy bestowed by the deity, as long as they cultivate, there's no real difference from very powerful cultivation techniques.
Jiang Tang's deity-given cultivation method, even if it's just an ordinary cultivation skill manual, is already far more advanced than the cultivation techniques that can be cultivated in this world.
Luo Baojun uses his mind to teach his parents the cultivation technique, teaching them cultivation abilities.
Young Master Luo and Young Madam Luo are not asleep because they are worried their son might be taken again.
