Testimony of Spirit Bird
霊鳥の討伐証 [reichou no toubatsu shou] or 'evidence of spirit bird subjugation' in Japanese.
Pictlogica

Obtain: event quest Decisive Battle
Use: required for EX Fusion of Locke 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