The transformed form of the Gren Monster that exploded along with Guernica. It possesses tremendous super magical power, and when it becomes a great magic sphere surrounded by a Moorish World, attacks from outside can't come close to it. In addition to attacking by generating a large amount of meteorites, it also pull the moon and crash it into Suda Doaka World.
Names：
Sieg Brain
Status： Core of Sieg Zeon
Tags： Zeon ClanDevilMonsterLeaderNeo Zeon ClanPower of Darkness
Growing： Sieg Zeon MabuzeGren Monster Sieg Zeon
Old Enemy： Superior Dragon EX
World： the World of Europe Knights
Works： SD Gundam Gaiden: Genesis Saga
LeveL： S
The transformed form of the Gren Monster that exploded along with Guernica. It possesses tremendous super magical power, and when it becomes a great magic sphere surrounded by a Moorish World, attacks from outside can't come close to it. In addition to attacking by generating a large amount of meteorites, it also pull the moon and crash it into Suda Doaka World.