Select Peaceful Difficulty From New Game.
- Play Until You Recruit Both "The Champ" And "The Mechanic"
Upgrade Your Base Until You Can Build A Siegebreaker (Dumpster)
- Pay The 4 Coins To Build It, Then The Extra Coin To Grab It.
6-8 Archers Will Come With You As You Push Up To A Portal, Shooting At It When They Get Close.
- Destroying Any Portal This Way Will Net You The Achievement
Please Note:
This Is The Only Achievement That Will Unlock On Peaceful Mode.
Good Luck!