Which figure of speech do you find in the expression -
“Death lays his icy hand on kings”?

Personification, figure of speech in which human characteristics are attributed to an abstract quality, animal, or inanimate object.
An example is “The Moon doth with delight / Look round her when the heavens are bare” (William Wordsworth, “Ode: Intimations of Immortality from Recollections of Early Childhood,” 1807).
Another is “Death lays his icy hand on kings” (James Shirley, “The Glories of Our Blood and State,” 1659).

[Source: britannica]