Nico Hernandez's "Puño De Diamantes" is a really emotional song about a breakup where one person feels completely blindsided and heartbroken. He's clearly still in love, even though his ex has moved on to someone who can offer her more material things. He sings, "me duele tu adiós pero él te ofreció un castillo de oro Yo solo mis sueños" [your goodbye hurts me but he offered you a castle of gold, I only offered my dreams], which perfectly sums up his pain and the perceived reason for her leaving.
What's really interesting is how he wishes her well, but with a twist! He hopes the "Puño de Diamantes que te prometido" [fist of diamonds he promised you] will "soborne en tus anses cuando sientas ganas de jugar conmigo" [bribe your desires when you feel like playing with me]. It's a mix of bitterness and a lingering hope that she'll regret leaving him, even if he knows their "romance moriré en silencio" [romance will die in silence]. He's clearly struggling to let go, wondering "como le hago para sonar el vicio de sentir tus labios rodar por mi piel" [how do I stop the addiction of feeling your lips roll over my skin]. It's a powerful look at the messy feelings that come with a painful goodbye.