Core of the Sage.

Summary

In a mysterious setting, Du Yu and Xiao Man encounter a complex series of numbers that sparks a debate about their meaning, leading to a discussion on poetry. Du Yu's insights reveal that the poems contain hidden codes related to a phonetic system called "initials and finals," which he invented. This innovation unexpectedly triggers a miraculous phenomenon—a rain of grains falls from the sky, astonishing the townspeople of Chaozhou. The event draws attention from scholars and supernatural beings, igniting curiosity about Du Yu's capabilities. Ultimately, the codes represent a method for secure communication, reminiscent of ancient techniques used in warfare, showcasing Du Yu's profound understanding of linguistics and literature.

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