Irena Magnusson

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Irena Magnusson
Personal details





Political and military information


Office of Naval Intelligence


"You can win wars any number of ways. You can carpet bomb, or send in ground troops, or shell a city, or detonate a nuke. You can lay seige, cut off water and power, or blackade their ports. But there's one universal Achilles' heel that every organism has. If they can't grow food, or can't eat what they've got, they die. It beats a shooting war."
— Dr. Irena Magnusson

Dr. Irena Magnusson[1] is an ONI scientist formerly assigned as the director of ONI Research Facility Trevelyan.


In March 2553, she "welcomed" the captured Jul 'Mdama to the facility.[2] She had the Sangheili placed in captivity, intending to learn more about Sangheili biology in order to manufacture bioweapons, making their own food indigestible to them with the ultimate goal of eventually targeting the entire species and starving them out.[3]

She later visited Jul in his cell, accompanied by an armed guard. When Jul asked her why the sky was blue, she explained Rayleigh scattering to him. She informed him of the Jiralhanae uprising on Sanghelios and matters involving Avu Med 'Telcam and the Servants of the Abiding Truth's clandestine arms dealings. She made no effort to hide ONI's intentions of crippling the Sangheili, and even taunted Jul that his species would never be able to threaten Humanity again.[4] When Jul complained about the food, he asked her to get him irukan, the Kig-Yar name for a Sangheili grain that the Kig-Yar grew.[5] She noted that his children would miss him; he corrected her by informing her that Sangheili did not know their fathers. She countered that while the children didn't know their father, the father must know children; if the bloodlines weren't managed, they would be inbred.[6] As she left she told Jul that he could be useful to her by just being himself.

Magnusson gradually began to let 'Mdama on walks outside his cell, albeit accompanied by the Huragok known as Prone to Drift and fitted with an explosive harness. Jul, having planned to escape the entire time, eventually coerced the Huragok into removing the harness, allowing him to escape via a portal hidden in a Forerunner structure. After learning of Jul's escape, Magnusson informed Admiral Parangosky, who quickly decided to remove Magnusson from her post as director of Trevelyan due to the doctor's incompetence. Parangosky arrived on Trevelyan and personally relieved Magnusson of duty. She promoted Hugo Barton in her place and had Magnusson detained at the Midnight Facility.[7]

List of appearances[edit]


  1. ^ Halo: The Thursday War, page 45
  2. ^ Halo: Glasslands, page 397
  3. ^ Halo: The Thursday War, page 264-265
  4. ^ Halo: The Thursday War, page 60
  5. ^ Halo: The Thursday War, page 62
  6. ^ Halo: The Thursday War, page 63
  7. ^ Halo: The Thursday War, page 411