Sword of Trials
試練の剣 [shiren no tsurugi] or 'blade of trials' in Japanese.
Pictlogica

Stats (lv1): STR +77, HP +5
Stats (lv20): STR +120, HP +10
Buy: - (sell: ? gil)
Obtain: event quest Invasion of the Four Fiends
Use: Lustrous Sword
Type: Greatsword, Rarity: ★★★★, Element: -
Other: can only be equipped by Cecil
Category: Equipment