Heroes: Generals. Gives Master's resonance power value. Heroes use a powerful army, which is a great resonance value for their Master. Allow to against enemy invasions and protect allies in any necessary circumstances.
Along with that, Heroes can get necessary items for themselves and their troops, upgrade their levels to increase strength and number of soldiers. You could own them from the exchange on the marketplace, or open lucky boxes to get the champions with the highest rarity and quality.
Hero have 3 types: Melee: Melee and Taking hits
Archers: Ranged Attack
Mages: Wide area attack and Heal.