Fool's Gold

Fool's Gold is a Blade Quest in Xenoblade Chronicles 2. It can be received from Sheba by going to the Little Garden of Tradition in Rigitte Waters in the Leftherian Archipelago, after unlocking Sheba's fifth Key Affinity reward, and provided Nia, Tora, Mòrag, Zeke and Sheba are in the party. Completing it will unlock the fifth level of Sheba's Golden Font.

Quest objectives

 * Head to the island merchant's house in Admar Storage Zone, Mor Ardain.
 * Give 10,000G to Badile in Admar Storage Zone, Mor Ardain.
 * Head to Argentum to gather information.
 * Gather info at, Argentum.
 * Obtain the Pretty Seashell through salvaging at Goldmouth Flight Deck, Argentum.
 * Give the Pretty Seashell to Lutie at Argentum Central Exchange.
 * Infiltrate the at Goldmouth Flight Deck, Argentum.
 * Complete all four objectives:
 * Search for the barrel in Sauros's Bed, Gormott.
 * Unearthing the barrel requires clearing a Nopon Wisdom level 2 and Keen Eye level 3 check.
 * Search for the barrel around the Leaning Tower of Dorrick, Temperantia.
 * Unearthing the barrel requires clearing a Nopon Wisdom level 3 and Keen Eye level 2 Field Skill check.
 * Search for the barrel in Wonder Spring Plaza Ruins, Spirit Crucible Elpys.
 * Unearthing the barrel requires clearing a Nopon Wisdom and Keen Eye level 3 Field Skill check.
 * Search for the barrel in Balquors Ruins, Cliffs of Morytha.
 * Unearthing the barrel requires clearing a Nopon Wisdom level 2 and Keen Eye level 4 Field Skill check.
 * Hear what the black-haired Nopon have to say on the Maelstrom in Argentum.
 * Send out mercenaries to determine Saisai's location.
 * Look for the black-haired Nopon at Ayvill Shopping District, Mor Ardain.
 * Pursue Saisai.
 * The Altaer Drivers on Ayvill Shopping Dist., Roof do not have to be beaten to progress.

Results
"Sheba reclaimed her money from the black-haired Nopon merchant and held a lavish tea party in celebration."