Reacio means 'reluctant' or 'unwilling'. It's a less common adjective that describes a strong disinclination to do something or accept a situation.
In the song, Tainy declares, "Yo soy un rey, hijeputa, estoy reacio" (I am a king, motherf***er, I am unwilling/reluctant). Here, he uses reacio to express his firm stance and unwillingness to compromise or be swayed, emphasizing his power and unyielding nature as a 'king' in the music industry. It's a powerful word that conveys defiance and self-assurance.
"PASIEMPRE" is a massive Puerto Rican flex track where producer Tainy rounds up heavy hitters to brag about staying power. The title itself is street shorthand for para siempre (forever), setting up the core rule straight out of the gate: "yo no soy un artista de momento, yo soy un artista pa' siempre" (I'm not an artist of the moment, I'm an artist forever). Across verses from Omar Courtz, Jhayco, Myke Towers, Arcángel, and Bad Bunny, nobody is acting humble. Myke Towers talks about cutting off users and counting his real friends on one hand, while Jhayco compares his red-and-black wardrobe to WWE wrestler Kane and makes ridiculous boasts about his luxury lifestyle. You also hear nods to local roots, like cruising down "la Baldo"—short for the Baldorioty de Castro expressway in San Juan.
By the back half, the song turns into a history lesson on reggaeton greatness. Arcángel looks back on almost twenty years in the game, shouting out pioneering producers Luny Tunes and Nely, and comparing his evolution to driving a Mercedes at sixteen and a Ferrari at thirty. Then Bad Bunny shows up to put his stamp on the track. He shrugs off small titles like "king of Latin trap" to declare that he has outgrown the subgenre entirely: "El conejo y Tainy son Kobe con Shaq" (The bunny and Tainy are Kobe and Shaq). With its sharp Puerto Rican slang—like fronteando (showing off) and bochinches (gossip)—the whole track works like an elite club victory lap.