Free Duel Unlockable Opponents
The following opponents along with their Deck recipes are unlocked by clearing two floors of Niflheimr each Unlike any other opponent including Dark Signers you dont have to purchase their Deck recipes in the Shop before the corresponding opponent is unlocked or available to Duel against
Unlock Characters
The following characters can be unlocked by completing the indicated floorand by unlocking the corresponding lock panel there behind by obtaining the card on the lock panel
