Spirit of the North
Not unlocked yetDefeat the boss "Spirit of the North"
Ball Lightning
Not unlocked yetDefeat the boss "Ball Lightning"
Seeker
Not unlocked yetDefeat the boss "Seeker"
Watcher
Not unlocked yetDefeat the boss "Watcher"
Borschevik
Not unlocked yetDefeat the boss "Borschevik"
Bee's Nest
Not unlocked yetDefeat the boss "Bee's Nest"
Fox
Not unlocked yetDefeat the boss "Fox"
Phoenix
Not unlocked yetDefeat the boss "Phoenix"
Yin-Yang
Not unlocked yetDefeat the boss "Yin-Yang"
Segmented Snake
Not unlocked yetDefeat the boss "Segmented Snake"
Segmented Cube
Not unlocked yetDefeat the boss "Segmented Cube"
Spherical Probe
Not unlocked yetDefeat the boss "Spherical Probe"
Herald
Not unlocked yetDefeat the boss "Herald"
The Spirit of the Taedong River
Not unlocked yetDefeat the boss "The Spirit of the Taedong River"
Spider
Not unlocked yetDefeat the boss "Spider"