I know.. but when you get lv 81...you will get nearly mil gold and rss..you can blizt from event to build max 2unit tier9 or 10 if you want to farm event later...if you get lv83,you can build heli tier11..you can play slow..example when you get lv65 you got 1bil rss you can upgrade and build max t8 unit but I thinks it not useful when now you can try upgrade to 8x to build t10 and 11..now level in ver 6.6 is max 90..you stay in build tier8 for what???
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you are right now just waiting for the update from this mod