When will the void world of monster planet 2 come out?

The first half of each month in the game.

First of all, players need to have any demon key. After you have the key, it is possible to refresh nothingness in the first half of each month. You can summon demons by spending 50 amethyst in nothingness.

"Monster Planet 2" is an action shooting adventure game, in which players incarnate monsters to participate in the battle, integrate roguelike gameplay, destroy all enemies and build the strongest battle.