火の大結晶 [hi no ookesshou] or 'large crystallization of fire' in Japanese.
Brave Exvius

Buy: - (sell: ? gil)
Gather: Zadelle Desert West, Lanzelut Ruins
Use: Hero's Ring, Power Vest, Sage's Robe, Barfira, Brave
Type: Material, Number: 009
Description: A crystallization bearing an uncommonly strong power of fire within
Profile: A large crystallization born of condensed Fire element magick power. Emits a mysterious glow as if flames were burning withing it. It serves various purposes in such things as smithing and mixing, and is particularly indispensable when making Fire element magicks. There are monsters that fear fire. To make travels smooth, you will want to obtain these crystals and use them to prepare magicks and such.
Category: Item