The reason why he wanted to take out the ancient scroll was because he was curious if it would do anything when put in front of his disciple, who was both cultivating a fire-based cultivation mantra and at the same time had a fire-based divine physique.
Fwoosh!
The moment the ancient scroll related to the Dao of Fire appeared, it instantly reacted to the presence of Qing Yi deep in meditation in front of it, as a small flame appeared on top of it. Rapidly increasing the fire qi and temperature inside Qing Yi's small room
"Looks like it does indeed act differently in front of someone cultivating in the direction of the Dao of Fire…" Muttering this to himself as he watched how the ancient scroll began assisting Qing Yi in improving her cultivation, Xuan Hao could not help feeling that it was a pity that he could not find an ancient scroll related to one of the two domains he had managed to comprehend…