Cortana awakens to a strange mental prison, where she discovers a horrible truth about where she is and who is betraying the master chief. *Halo 5 spoilers*

"All units, Maximum Alert. We have a Tier One Asset operating without sanction in a densely populated area. Multiple casualties. Request immediate Spartan support. Fireteam Chimera must be eliminated. Repeat: Fireteam Chimera must be eliminated. Message repeats." [Sequel to Halo: Chimera Rising]

An H5 sequel. The Galaxy is thrown into chaos after Cortana and the Created seize control of the Forerunner Empire and attempt to force an era of imperial peace. Why has Cortana done this? John, BB, Lasky and Dr. Halsey each attempt to discover the truth and each of them respond differently to the crisis at hand. What will happen when their ideas of how to save the galaxy conflict?

COMPLETE. Sequel. Colonel Natalie Cooper has spent over a decade fighting Earth's extraterrestrial enemies, both at home and abroad. But a mission to the small Outer Colony planet of Puget turns her world completely upside down...and shows her that not only the aliens should be feared.

Bewteen H4/H5: After a year of leave, John is now stationed aboard the UNSC Infinity. Someone is captured trying to infiltrate the ship, a human female whose looks and wits are the same of Cortana's. She's not the only one who escaped Death, and the Universe is now a far more dangerous place to live in. "You know it's me, Chief... don't you?" MCxC Human!Cortana vs Rampant!Cortana

The Great War was a long one, millions made it, more didn't. Frank is an ODST, a human just like us, that has managed to survive the most grueling battles for years. With so much experience under his belt he has some amazing stories to tell. This are the life stories of an immature, not-all-in-there, and talented Marine just living, fighting, and being plain badass during the war.