This book is also known as 'Suck! The Blue Silver Emperor smells so good', 'I ate the Blue Silver Emperor', 'Tang San, I'm really sorry!', 'Tang San, this is how the Blue Silver Grass is used!' etc. There is no twin martial arts.
The soul does not need to be taught by a master. The hunting of the soul ring does not look at the age, let alone the attached soul skills, but only what kind of evolution the absorbed soul ring can bring to the martial soul itself! Ink who also awakened the blue silver grass martial soul
Bai used the facts to tell Tang San that the Blue Silver Grass spirit was not what you used!