Dont know if you have noticed or not but i think walls in Castle Clash are not so useful they break easily like they are no more than paper. And also we all know Castle Clash is a game that is you need to play with your heros not soldiers (dont know what you think about that but I dont even remember when did i used soldiers last time) and problem here is most of heros do not really wish to use their foots while they have wings.
~Walls were an item introduced sometime ago, since which time we have had heroes who can break them released. Nothing can be OP forever but most who use them build them in layers to increase their effectiveness.
~Many members use troops / soldiers often, especially in GW and dungeons.
~Winged heroes are supposed to fly and not walk.
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