Comments of chapter undefined of Eternal Cultivation of Alchemy

HeavensSwordWill:remember earlier in the story when the game started he found out he had the five elemental roots and that he wanted to find more information regarding those spiritual roots so he he went to the li rare and found a book that had no name but within it described the divine roots I.e the 5 elements and yin and yang aka choose when they combine with other. the description of the roots mentioned with the book was azure surging water meridian , divine smthing wood, smthing blazing fire and so forth but the MC didn't understand any of it so he chose to pursue the metal meridian part of this elemental roots cause of pearl. and then after a while he started to cultivate yang because of the desert and his special physique where as the yin part was when he discovered he had very thin yin meridian as well but after cultivating his masters technique that meridian started to expand.