Metaphor: He was a silent fox sneaking up on his prey.
Personification: The lightning danced across the sky.
Hyperbole: I'm so hungry I could eat a horse!
Understatement: It was only a small explosion.
I hope this is what you needed! If you need more help with figurative languages, just search up (example, simile) examples and you should find what you need to understand.
before he was matured he didn't knows how it worked because he needed more smarts so when he came back when he matured he knew how it worked because he actually took the time to learn how it worked