If you ever find your self in a situation, where they build goblin sappers out side your base. use it to your advantage. Get Runes ( Orgre Magi ) from the alter of storms. set up runes in front of your base for defense OR right behind there buildings or in front. I see so many times where you could of used runes, such as when a mage comes to blizzard your gold mine on gow. For the 11 o clock postion. Set up runes so makes dies automatically