Universal coupons are coupons that are used to recruit troops such as tanks, soldiers, artillery, etc.Here are a few ways to get a universal couplet.
Black market
Black market shops sell goods at low prices. Universal coupons for sale at 50.60, 80% discount. The shop is refreshed every 8 hours, which is 00:00, 08:00 and 16:00 server time
Vip 4 daily chest
Increase your VIP level to level 4 to open a chest containing universal coupons. This chest can be taken once a day
Buy in Alliance store
Universal visa coupons bought at the alliance shop. The price is 135k points
Events
You can also get universal coupons from events such as grand showdown, Urban combat plan. Etc
Daily missions
Daily missions can be done every day. There are 5 boxes that can be opened
Canpaign reward / rush
alliance gifts
Prize from gift code