Crystal Clear

Crystal Clear is a Blade quest in Xenoblade Chronicles 2. It can be received by going in Obra Street in Torigoth, Gormott Province, after beginning Chapter 5, while having 10 or more Core Crystals of any kind in the Item List, having bought the Info item Core Crystal Hunters at any Informant that isn't Torigoth's and provided Nia, Tora and Mòrag are in the party. Completing it will reward the party with Praxis's Core Crystal.

Quest objectives

 * At Obra Street in Gormott, defeat the crystal-hunting s (2).
 * Either of Piratical Praxis or Plunderous Theory must have half their health depleted to progress.
 * In Torigoth Relay Base, Gormott, speak to Iannus.
 * Complete the Merc Mission "False Rumor".
 * Report to Iannus at Torigoth Relay Base, Gormott.
 * Dispatch a squad to complete the Merc Mission "Ambush".
 * Go to Valdorm's Mound, in Mor Ardain. (You must begin the mission "Ambush" first.)
 * At Valdorm's Mound in Mor Ardain, defeat the crystal-hunters (2). (You must begin the mission "Ambush" first.)
 * Thieving Waldemar and Criminal Praxis must be defeated.
 * Report to Iannus at Torigoth Relay Base, Gormott.

Results
"You were able to stop the Core Crystal hunters' plans, but Theory and her Driver elude capture."

Trivia

 * A message can be read, after beginning Chapter 5, on a notice board at Torigoth Market. The message disappears once the quest is completed.