The Almighty

The Almighty was the Red Legion's enormous star-destroying weapon, first referenced on The New Pacific Arcology, after decrypting Red Legion transmissions with a Golden Age CPU.

The story mission 1AU takes place on The Almighty, where its star destroying power is sabotaged by the Guardian.

History
After defeating Dominus Ghaul, the Red Legion Cabal go back onto The Almighty and wire it to head towards Earth and destroy it.

Rasputin and The Guardian work together to enable Rasputin to destroy The Almighty with missiles.