Horn of Ice
ドワーフのつの [dwarf no tsuno] or 'horn of the dwarves' in Japanese.
Final Fantasy III

Obtain: defeat Gutsco at the Subterranean Lake, and then again defeat Salamander at the Molten Cave
Use: return to the dwarves to advance the story
Description: A dwarven horn carved out of perpetual ice
Type: Key Item
Category: Item