Turns Out I'm a Hidden Expert

Xu Yan traversed the world of cultivation, unable to cultivate for a full twenty years, yet emerged as a mortal proficient in all forms of poetry, books, zither, and painting.
However, Xu Yan also moved on; being a mortal detached from fame and fortune, isn't it rather splendid?
Yet, after Xu Yan's work "The Calabash Brothers Rescue Grandpa" circulated, it stirred up a veritable tempest in the world of cultivation.
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A certain disciple of a renowned mountain sect remarked, "Senior Xu has imbued the ultimate truths of the cosmos into a painting, attaining the realm of 'all things returning to one.' We can only look up in awe."
An esteemed ancestor of a sacred sanctuary intoned, "Senior Xu has already transcended the bounds of creation. Every stroke and line conceals the great Tao. This is a height I shall never reach in my entire lifetime."
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