Troop upgrade bug

[Tentaken]

Wait, isn't battle tank unlock in atomic age. I am in global age.
I could not send the picture in the website. It says the picture is too large. That is nonsense. I also think it is also a another bug in the website.

 

[SomeRandomPlayer]

Heavy Cavalry

These heavily-armored units will attack defensive buildings, distracting them at close range while your other troops do the damage. These heavily-armored units will attack defensive buildings, distracting them at close range while your other troops do the damage. These unique French units have...

dominations.fandom.com

 

[Tentaken]

Heavy Cavalry

These heavily-armored units will attack defensive buildings, distracting them at close range while your other troops do the damage. These heavily-armored units will attack defensive buildings, distracting them at close range while your other troops do the damage. These unique French units have...

dominations.fandom.com

I see the players can upgrade tank for two times in global age. My bad.