Players have 2 challenge chances every day in Chaos Battlefield.
Enemies will appear continually after the battle has started. Players can loot any items that have dropped out of defeated enemies. Only when all 12 waves of enemies been wiped out, can players collect looted items.
Then players can choose to continue or quit the battle. If you quit, the progress will be saved until next time players enter the challenge. (The completion will be reset on next day)
If the players’ connector is killed, or has quit the battle while fighting, the player will be defeated.