A literary device that uses extreme exaggeration is a metaphor simile paradox hyperbole

The literary device that uses extreme exaggeration is hyperbole which is a deliberate exaggeration of actions of ideas to make emphasis. Example, this bag weighs a ton. Metaphor and similes compare two different objects and show similarity between them The difference is that similes uses "as" or "like" and metaphor does not. Example of simile. I can eat like a horse. Metaphor, my boss is an old fox, very crafty

A paradox is a statement that seems to be self-contradictory and creates a humorous effect on readers. Example I must be cruel to be kind.