TH15 Upgrade Priority Guide is here for the New Update for Clash of Clans! Sturge will be showing you How to Start Town Hall 15 by using an Ultimate Upgrade
You'll want to anyways and you might as well do it at TH10. But don't worry about defenses, which you can account for at TH11. I think TH11 is strategically one of the best town halls to stay at to catch up your lab and defenses. It unlocks the most relevant resource-based items; TH12 doesn't add much and neither does TH13, when it comes to loot.
Also, unless OP is specifically using yetis in hos army, the upgrade will do nothing before the update is released either but cancelling will increase other troops training speed back up from 3/4 to 100%.
Upon reaching TH11, you can upgrade your Barracks to level 13, which unlocks the mighty Electro Dragon. This electrifying air unit is a formidable addition to your army, with a perfect balance of hitpoints and damage per second.
Tbh the only glaring weakness of this base is lack of multi infernos making it more susceptible to witch / bat spell strategies, but I mean I’m biased because I’m a th11 who has a base (it’s one of my recent posts if u curious) that only got three starred by those and once I swapped to multi it went away.
Proof This Farming Strategy Works! How to Upgrade TH11 Walls Fast in Clash of Clans Base in the Video: https://link.clashofclans.com/en?action=OpenLayout&id
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coc when to upgrade to th11