"This Token has two sides, with a smiley face on one side and a hideous demon evil face on the other. Legend has it that it appears every ten years, and each occurence cuases huge waves..."
These tokens can be traded in for various things, notably pills to increase your active meridians(five orders needed), pills to level Self Recollection faster (one order per bag), and levels 31-36 of Ice Chi (One hundred orders per level):
Wang Xingxing: Trades for Ice Chi levels 31-36. Evil Men's Valley (852, 231)