The Fiend of Plague is a poetic riddle intended to express pleasure with Githu Menaceash which grew out of the performances of The Skirts of Time. The form guides poets during improvised performances. The poem is three quintains. Use of epenthesis and simile is characteristic of the form. A form of parallelism is common throughout the poem, in that certain lines reverse grammatical structures. Each line has ten syllables. The rhyme scheme of the poem is AABAA.