chests cannot be sold in Domi Asia unless they reveal chances of getting those purple rewards. so all this time players in Domi Global were buying troop cards, players on Domi Asia let thousands and thousands of rubies go to waste because there was marco to trade with. obviously they were getting angrier and angrier every weekend, demanding Nexon to do something about this unfairness.
what should have been done is either reveal chances or just remove purple rewards and go all yellow with the troop chest, but what they did is start selling single cards. I play on Domi Global so Im not benefiting from this but I will say that although not ideal, it is still better than being unfair.