im wondering what should i upgrade next,
my mortars are lvl7 and 1 lvl6
my wiztowers are 1 lvl6,1 lvl5 and the rest lvl4
my archer towers are all lvl8
my cannons are all lvl 9
air defense all lvl4
xbows both lvl1
telsa lvl 2
what should i upgrade next or in what order should i upgrade my defence.
