Master Ore

Master Ore is an item found in.

Uses
Master Ore is required to upgrade the Master Sword. Each upgrade requires two pieces of Master Ore. The first upgrade is done by the Blacksmith in Hyrule, and the second upgrade is done by the blacksmith in Lorule. Each time the Master Sword is upgraded its attack power is doubled.

Location
Master Ore is found across Lorule in large chests. These chests can be found in the Palace of Darkness, Thieves' Hideout, Skull Woods, and the Sanctuary of Lorule. The Master Ore found in the Sanctuary is the only piece that is not found inside a conventional dungeon.