Many masters have their peculiar hobbies, and General Yaksha is no exception.
She collects the ashes of her enemies, and even brews tea with them—it's said to have beauty-enhancing effects, which, paired with her half-ghoulish face, is rather coldly humorous.
Of course, not every enemy is eligible to be collected by her; they need to be at least at Perfect Foundation Establishment level, the ashes of lesser fish in cultivation terms are simply scattered by her.
Yu Qing and the others just met the standard for collection, so Li Yan very sensibly offered to help.
General Yaksha was quite pleased with her subordinate's discernment and reminded her, "Their flying swords are top-grade treasure artifacts, remember to collect them."
Although the True Mother God Sect is wealthy, top-grade treasure artifacts aren't something you can obtain easily just because you have the money.
