Duels

Duel Cards
These cards can only be obtained by winning and opening the appropriate chests in the Duels area:

Duel Chests
Based on your current duel league, each duel chest gives a certain amount of cards :

Visual Chest Map
To help you easily follow your duel chests, you can use this Visual Chest Map, where your chest position is saved as a URL that you can paste in your browser to continue from where you left anytime !