I Became a Sage by Copying Poems

[Longevity] + [Major Villain] + [Cultivating Through Clones] + [No Female Lead] + [Invincible] + [Poetry Plagiarism] + [Sage] + [Empress] + [Feel-Good Story]

After transmigrating into a fantasy world, he discovers that he is the Poetry Sage. Simply bringing any poem to life lets him summon wind and rain or conjure divine weapons.

Go ahead and act wild if you want. Even sages, exalted ones, and the mightiest figures become prisoners at the feet of a single poem.