Answer: Personification
Personification is to give human qualities to inanimate objects. In this poem, “Fire” and “Ice” are capable of destruction. Therefore, the poet personifies fire and ice by giving them a mind that is capable of destroying almost anything.
Explanation:
Fire and Ice,' a poem of only nine short lines, is written about destruction, about the inevitable demise that hatred and obsession will bring. In the first line of the poem, Frost indicates the end, or demise, and the two ways in which it can happen: fire or ice.