The article concerns the poem by Bogusław Adamowicz Ta poezja, to rusałka from the volume Gra wyobraźni of the year 1897. The text refers to the lyrical image of poetry contained in the poem, presented as a nymph. Adamowicz, a Polish modernist author, creates a parallel between the features of poetry as a creative act and the attributes given to this Slavonic demon. This poem is definitely distinguishable, both against the background of the other poems by Adamowicz, and in the manner of using Slavonic beliefs in Polish modernist literature.