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[Rongway]

"Original Trial Name (Extreme)" and "The Minstrel's Ballad: Some Sensationalized Title" both indicate extreme trials.

Trials named "Original Trial Name (Extreme)" are typically unlocked somewhere near the original version's questgiver.

Trials named "The Minstrel's Ballad: Some Sensationalized Title" are unlocked through the Wandering Minstrel in Mor Dhona or Kugane, or his ShB counterpart in the Crystarium.