Zero Zone

There once was a peaceful and mysterious island city, where the villagers lived a peaceful and happy life. However, one day, evil monsters discovered this utopian city and destroyed their home. Since then, the island city has been shrouded in dark smoke. In order to restore the peace of the past, the heroes set out from the seaside city with ruined walls and embarked on a journey to defeat the demons. Along the way, they worked together, continuously trained and strengthened themselves, and obtained the blessings of ancient artifacts to repel the demons. Killed one demon after another...
Gameplay:
Continuously summon heroes to participate in the battle. Drag the same heroes to overlap to synthesize a new high-level hero. Through training, the combat effectiveness of the hero can be strengthened. Through strengthening, the number and level of waiting or fighting heroes can be increased, and the waiting time can be shortened. During the game, The diamonds obtained can be used to purchase ancient artifacts and other items in the store to enhance the hero's combat effectiveness.