40th Legion

The 40th "Nibiru" Legion was a legion of Sith troopers from the Sith Eternal. They were named after the Sith Lord Nibiru.

History
The 40th "Nibiru" Legion was founded in 35 ABY, or 0 ABE, and was named after, and composed of Darth Nibiru's former guards, being now loyal to the Sith Eternal of the Final Order.

About 1 Year Later, it was regrouped by Serena Etruscan (Darth Nibiru's daughter), in honor of her father, the destruction of the Final Order, and the beginning of a new Jedi Order.