Clash of clans th 15 upgrade time July 8, 2019 16 32 64 128 Clash of clans th15 upgrade time Clash of clans town hall 15 upgrade time Clash of clans th 15 release date Clash of clans th10 upgrade priority Clash of clans th 15 max Clash of clans update th 15 Clash of clans time lapse th1 to th15