Whirlphlosion axe location
Start from the cave north of Varak on the world map
Break the earth walls and go to a map north.
Pick up the helmet. This will be needed later to get past the green fog.
Go back to the first map and break walls to go to a map south.
Wear the helmet you picked up from the previous step. Go south west
Apply the minecart.
Pull the two circled levers to the right and apply the cart.
Pull the circled lever to the right and apply the cart.
Kill Gorph and take the Whirlphlosion Axe