You can find Reanimal's secret code in Chapter 1: Dead in the Water. However, note that the secret code is the same in every game, so if you've already passed this chapter and just want the answer, go ...
Seven Deadly Sins: Grand Cross (7DS) is a turn-based RPG hero-collecting mobile game by Netmarble based on the popular anime and manga series Seven Deadly Sins. The game is designed from the ground up ...