If you have trouble in War for the Overworld – Mission 7: Heart Attack then here are some tipps.
– Build a big (7×5) torcher chamber and a prison to convert your enemies – free level 3-6 fighters for you
– use the construct “replacement earth” to block the left attack way, they wont blast it open (wont work on middle and right side)
– brew wisdome juice potions, at a 5×5 alchemy lab – so you can fast level your minios up to level six
– Build the Beast Den or Lair the at the right side where they attack,