Northern Crater is the fourth stage in the Dark Descent Stages.
- This level includes common-seen Black Enemies such as Doge Dark, Gory Black and Shadow Boxer K.
- Begin the battle, many Doge Darks will come out, when the Enemy Base is damaged, the rest will be spawned.
- At 100 seconds, an Assassin Bear will appear.
- To aim for the highest score, it is recommended the player to equip cats Units with fast attack rate, high DPS such as Crazed Giraffe Cat Paris Cat, Crazed UFO Cat and anti-black Cats like Sanada Yukimura.