Complex sentence: The'Shade' draws his alias and source of power from Dante Alighieri's epic poem "The Divine Comedy", specifically its first book, "Inferno", which describes the Nine Rings of Hell.
Split into simpler sentences: The'Shade' draws his alias and source of power from Dante Alighieri's epic poem "The Divine Comedy". More accurately, the first book of the poem, "Inferno", which describes the 9 Rings of Hell.