Heracronite

==Information==
Location: Route 4
Available: After Badge 16
==Guide==
Before getting this item, make sure you have a Pokemon that can use Eruption, Lava Plume, Heat Wave, Flame Burst, or Incinerate.
Fly to Calcenon City. Go right to reach Route 4. Go all the way right to reach the Rock Climb path. Climb up to the new area. Go to the right side and climb up again.
Go to the top right corner of the new area and climb to the right. When you reach the water area, start from the top right corner, and jump right.
Jump left and up to land on the middle platform. Stand on the tile on the right and jump up and right.
Land on the right side of the map and go up the Rock Climb path. In the new area, use Eruption, Lava Plume, Heat Wave, Flame Burst, or Incinerate in a wild encounter battle and end the battle on Mountain to change the map. Go up the jumping rocks from the bottom left corner.
Jump left, up, then right. Then up, left, and up. When you get inside the cave, use Eruption, Lava Plume, Heat Wave, Flame Burst, or Incinerate in a wild encounter battle and end the battle on Water Surface to change the map. The middle basin will become water. The item can't be obtained if the middle basin is ice.
Go to the top and surf down.