Irene Belserion reveals her tragic history from 400 years ago. Once the Queen of Dragnof, she reveals that she was the one who invented Dragon Slayer Magic to protect her people from hostile dragons.
In (also known as Episode 313), titled "Dragon Seed" (Semi del Drago), the focus shifts to a heavy revelation regarding Erza's origins and the darker side of Dragon Slayer magic. Key Plot Points Stai guardando FairyTailS3 Ep 36 SUB ITA
You can find information on episodes and availability through the official Fairy Tail Wiki or streaming platforms like Apple TV and Crunchyroll. Irene Belserion reveals her tragic history from 400