Arka’s mysterious power and the mighty bosses of Boss Rush await!

Unleash the power of Arka and go beyond your limits! Awaken 6 stats with Arka Orbs, raise them all to S Rank, and reach new heights of power. Face a relentless onslaught of powerful bosses! Take on five bosses with your four characters and earn Arka Orbs needed to upgrade your Arka.