Its effect is useful throughout the game, and is applicable to nearly any fight. It can be used to give Vi or Leif's attacks a piercing effect similar to Kabbu's. Alternatively, it can be equipped on Kabbu to power up his attacks further, allowing him to ignore 2 DEF. The effect is stackable.
How to Acquire
Found in Stream Mountain's highest room, on its highest platform, accessible by freezing a nearby spout of water with Leif's ice magic, and then climbing up.