Testimony of Gold Sands
金砂の討伐証 [kinsa no toubatsu shou] or 'evidence of gold sands subjugation' in Japanese.
Pictlogica

Obtain: event quest The Ultimate Illusion, Ultima Weapon
Use: required for EX Fusion of Thancred from grade II to grade III
Type: Grade Up Material, Rarity: ★★★★★
Description: Material for EX Fusion and EX Alchemy synthesization
Other: an obsolete item. Was replaced by Soul of a Hero in November 2014
Category: Item