The Tyrell boy is visibly broken, having been beaten and saying he no longer cares about his family.
Some fans believe Loras may have admitted his family’s part in the death of Joffrey, the Tyrell family having poisoned the young and ruthless king of Westeros.
Notably, after the meeting, Margaery is finally allowed to visit her brother, Loras, after months of being kept apart.
You can read more about the prophecy here, including how it may actually reveal who Cersei’s eventual murderer will be.