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How decoration funneling works and why decorations are useful
Even if decorations have no real use they are buildings so Troops are forced to walk across their outline instead of just walking directly through it. In general (we take some Archers but this also works for Barbarians and other Troops) you will deploy them widely to protect them a little bit from Mortars and splash damage:
You should now surround your base outside ring with Decorations (or like posted here with Obstacles) – you can see this here:
Now the attacker has no choice other than deploying the Troops behind the Decorations. Most attackers aren’t even aware of what will happen next because they just don’t know or they just have their mind on your resources:
The Archers in this case will walk between the Decorations to get to their desired target but even if they get deployed in a row they only have a few path they can use so they will group together no matter what. After they came through the Decorations they are now handy grouped together and your Mortar is just waiting for them:
You see you can save yourself a lot of Mortar projectiles and the Archers just drop like flies.
It was hard to find a base to take the screenshots from but I think you got the idea, right? To make it perfect you will need to have the Decorations directly next to each other:
Because the Archers then will group together even closer and have almost no chance of surviving. Instead of having destroyed all the outside buildings with a few Archers the attacker hasn’t destroyed that much but has lost most of his Troops.
Sure, you can’t build that kind of ring through your whole base but if you close some sides you will definitely see an impact and if you take the cheap Decorations you will not have to invest that much. I hope you now understand that Decorations aren’t useless at all and also in the turnaround have an eye on Decorations – someone might just funnel your Troops