Gruntageddon

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Revision as of 02:58, December 26, 2014 by HaRi III (talk | contribs) (Created page with "Gruntageddon is an achievement in ''Halo: The Master Chief Collection''. It is unlocked by killing 1000 grunts.")
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Gruntageddon is an achievement in Halo: The Master Chief Collection. It is unlocked by killing 1000 grunts.