【Notice】Actually, you cannot see the traps on the screen at first.
First, drop about 10 Barbarians on point A in the following picture. Mortar will attack Barbarians.
Right after the Mortar have attacked Barbarians, drop 2 Wall Breaker on point A to take out the walls. If your Wall Breaker is upgraded to level 3, you need just one Wall Breaker.
In addition, deploy more Wall Breaker to take out the walls inside.
Next, deploy Goblins to take out traps. And then, drop about 80 Barbarians.
In order to accomplish safely. deploy about 15 Archers on point B, and put about 10 Barbarians and some Wall Breakers.
In the video, the player deploys a Wall Breaker to take out the walls.
He deploys a Barbarian. While a Cannon is attacking a Barbarian, he drops a Wall Breaker to take out the walls.
After the walls are gone, he deploys 55 Barbarians. They start to attack a Mortar.
While Barbarians are raiding, he deploys a Wall Breaker to take out the walls.
Barbarians raid the village. They can destroy rest of the defenses.
This mission is accomplished!
After the walls are gone, he deploys 16 Barbarians.
He adds 57 Barbarians.
[Level 17 - WatchTower] Hints & Tips