Many Supernatural Powers and Secret Arts had been passed down from the Primeval Age and the Primordial Age. Although no one could obtain them, a few powerhouses were capable of understanding the records.
Since Nova followed Emperor Jabari for a long time, he learned a lot.
Nova brought James into the Time Chamber.
Since James had three years, he had relatively sufficient time if he were to practice within the Time Chamber.
James sat in a lotus position in the courtyard of the Time Chamber.