This article contains spoilers for Halo episode 2.
Halo episode 2 introduces Bokeem Woodbine as Soren-066, the only Spartan dropout. Halo showrunner Steven Kane shocked fans of the franchise when he claimed his series didn't build on the video games. He was exaggerating, of course; Halo episode 1 featured an extended combat scene that felt as though it was ripped straight from the games. What he seems to have meant, however, is that his version of Halo doesn't draw inspiration from the games alone. Rather, it has lifted a surprising number of characters and concepts from tie-in novels and comics.
That's certainly the case with the Spartans, whose backstory is informed by the wider Halo lore. In the Halo TV series, immoral scientist Dr. Catherine Halsey kidnapped potential Spartans from across the galaxy when they were only children, and put them through a harsh training regime until they reached adolescence. She then had them undergo horrific genetic engineering and cybernetic experiments, transforming them into literal supersoldiers. Many did not survive the experience, some were crippled or maimed, but a handful came out transformed. John-117, the Master Chief, is the most famous Spartan to undergo this process.
Related: Why Master Chief Never Revealed His Face In The Halo Games
Halo episode 2 introduced viewers to Soren-066, the only Spartan to escape the program after augmentation. The process hadn't quite worked on Soren, forcing the UNSC's scientists to install additional cybernetic technology in one of his arms. This appears to have led to his feeling like an "odd one out" even among his fellow Spartans, and he began questioning the entire initiative, ultimately deciding to leave. Soren's decision to leave placed
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