Town Hall 17 is the new Clash of Clans update let’s show you gam playay of the merged Eagle artillery and town hall defense as well as the new troop and defense levels plus something else let’s begin by upgrading to town hall 17 in which you will need a maxed Eagle artillery of level seven but as long as you have that you can begin the upgrade which is 20 million gold and 15 days once you begin this upgrade your Eagle artillery is gone you cannot undo this process but wait until you see what def