Duels

Lose/retreat duel battle penalty:
No penalty if in Novice League I-III;

For Master League I or higher leagues:

-4 cups if lose and not fall from current league

-10 cups if retreat and not fall from current league

-36/44/52 cups if lose and fall from Master League I/II/III

-90/110/130 cups if retreat and fall from Master League I/II/III

-60 cups if lose and fall from Champion League I

-150 cups if retreat and fall from Champion League I

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

Mechanic - Novice League I

Blind Warrior - Novice League III

Geomancer - Master League I

Barbarian - Master League III

Forest Spirit - Champion League I

Light Elemental - Champion League III

Dark Twins - Legendary League I

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