Mao and Lei En's knife skills contest is concluded! When Mao grasps the legendary utensil "Ever-Soul Knife," the dragon mark signifying that he is the successor appears on the blade. After experiencing its mystical power for himself, Mao declares that there is another successor...
In other words, the underworld chefs' 
recipes are also recorded in there.
.بعبارة أخرى، وصفات طبّاخي العالم السريّ مدوّنة فيه أيضًا
Entonces, las recetas del bajo mundo
también están en ese libro.
Entonces, las recetas del bajo mundo
también están en ese libro.
In altre parole,
ci sono scritte anche le ricette di quei cuochi!
Ou seja, as receitas dos chefs do
submundo também estão nesse livro.
Получается, рецепты подполья
там тоже описаны,