There are different kinds of cards. They can be equipped on these things called slots on your equipment. For example: Sunglasses When you examine the equipment you should see a little diagnal box. Cards are for improvement like AGI+1 Dex+1 Perfect Doge+3 etc. These are examples of cards. Poring Card, Drops Card, Poporing Cards, Lunitic Cards. To use a card first right click on it and scroll down until you reach "Compound on ___" the lines is for class armor, headgear, armor, shoes etc. If you have the required equipment make sure it is in your inventory not your equiment with your weapons, double click on the card. Then it should show a window and you click on the one you want to compound it.
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