As the sole summoner, step into the mystical realm of Umbra to rescue it from the encroaching demon army emerging from dimensional rifts. To end this invasion, call upon 60 diverse heroes, each with unique abilities, and engage in strategic, round-based RPG battles.

As the sole summoner, step into the mystical realm of Umbra to rescue it from the encroaching demon army emerging from dimensional rifts. To end this invasion, call upon 60 diverse heroes, each with unique abilities, and engage in strategic, round-based RPG battles.