1, Merchant mark is a new kind of token which was added to the game after the big update;
2, You can get merchant marks from daily login bonus, or from reward chest from daily activity with a chance;
3, You can exchange them for items in the exchange tent which is located in the city fair. In exchange tent, under "goods for signs" tab, you can buy complementary elixirs, grey essay, precious chests, ect. (In the precious chest, you have large chance to get some merchant marks back, just with a big deduction,
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