The Spartan Effect

The Spartan Effect

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WpMetadataReadMatureOngoing10h 56m
WpMetadataNoticeLast published Mon, May 4, 2026
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Fanfic
Alternate Universe (AU)
Crossover
Original Character (OC)
Game
Eternity, sister to the renowned Ininifty supercarrier, is completing repairs around the lunar repair yard. Cortana has begun the AI Uprising, and a guardian is rapidly approaching Earth. While attempting to escape to link up with the Infinity, the guardian causes a slipspace anomaly to send Eternity flying across space and time into the galaxy of Mass Effect. Just in time, Eternity arrives to save the Citadel council and destroy a reaper. The choices of her captain and crew will decide the fate of a galaxy. I got this inspiration from Eternity into the Void and Zero to Infinity, Spectre 117, plus I love Mass Effect.
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The galaxy stands on a knife's edge. Cortana has seized the Forerunners' vast power, enforcing her vision of order across human space while silently shielding the weak from threats unseen. Master Chief follows her fading trail, torn between duty and the bond they once shared. His pursuit reveals a deeper danger rising in the shadows - Atridox of the Banished, driven to shatter Cortana's influence and claim the galaxy for war. As worlds fall and alliances splinter, Chief must decide whether to confront Cortana as an enemy... or trust that her final act may yet save them all. This untold chapter bridges Halo 5 and Halo Infinite, where sacrifice becomes legacy - and the quiet between battles changes everything.

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