Gray Zone Exploration
(灰域探查) Added with client 3.0200. Takes place on three hexagonal tiles boards of different difficulties. Spending exploration tickets to begin combat and and earn points. A day-night cycle changes the battle conditions after a certain amount of combats. A fatigue system prevents the same echelon to be deployed consecutively.
Rewards resources, equipment and formerly limited Dolls. The 4000 and 6000 point marks rewards past and new limited equipment.