"Alphonse! Someday I’m coming back for you! Just you wait! Wait for me!" Plot Significance
Inside the gateway, Ed encounters his own Portal and, right next to it, another Portal belonging to Alphonse. There, he sees Al's original, emaciated body sitting in front of the gate. Though he cannot take Al with him yet—because Al’s soul is still tied to the armor and his body refuses to leave without its soul—the encounter proves that Al’s body is still alive and waiting. Fullmetal Alchemist: Brotherhood (Dub) Episode 26
As Edward is being pulled back through his own Portal to the physical world, he punches through the closing doors of Truth and screams out to his brother's body. This is one of the most iconic moments in the series: "Alphonse
The episode follows Edward, Ling Yao, and Envy as they attempt to escape the endless void within Gluttony’s stomach. By performing a human transmutation on himself, Ed manages to open the Portal of Truth. Wait for me
This episode confirms that Al’s body was not destroyed but is being "stored" at the Gate, sustained by the toll Edward paid.