Grand Battle v6.6.0 file

What’s New in V6.6.0:1. Add a new defense building: Anti-air gun turret;2. Add a Monthly Card: receive free medals every day;3. Add General Skills removal function;4. Add alliance leader transfer function;5. The top level for Emblem and Books are upgraded to Lvl 156. Add different types of General Skills;7. Add strategy choices when in defense or in battle8. Optimization in alliance battle when scouting enemies, Mammon and scratch card9. Fix bugs in Defense activity, Arena and others