In The Legend of Zelda: A Link Between Worlds are 4 pieces of Master Ore which can be used to strengthen the legendary Master Sword. The 4 pieces of Master Ore are hidden throughout Hyrule and Lorule in a variety of places. Tracking down the master ore pieces will make the completion of A Link Between Worlds much easier.
A Link Between Worlds Master Ore Locations
In the Dark Palace is a room on the 2nd floor with 6 windows shining light into the chamber. North of this room is a tiny rectangular room with a treasure chest. To reach this room you will need to ensure that all of the platforms in the room’s center are lowered. In here are 2 switches. While they activate the platforms, the lower switch will also cause the wall to the north to flip when it is activated.
Use a Bomb on the bottom switch and then run to the platform above. Smack the other switch to get to a higher ledge. Then run to the northern wall and wait for the bomb to explode. The wall will flip and Link will be on the side of the room with the treasure chest and Master Ore.
Head to the Hyrule Sanctuary and enter Lorule through the nearby crack in the wall. Exit the room to the south and head east to the graves. To the Northeastern part of the graveyard is a large boulder which can be picked up with the Titan’s Mitt.
To the western part of the cave is a switch. Press the switch and head through the door that opens. Head up the steps in the northwestern part of the room and walk along the path until you reach a nearby treasure chest. Merge into the wall to the east until you reach the chest. Inside is a small key which can be used on the locked door in the northwest.
Head into this room and kill 3 red Eyegores. Once they are defeated you can pull the switch to the right and go up the stairs. Merge yourself onto the right wall to reach the treasure chest and get the last piece of Master Ore.