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Sentinels are flying machines that are found on the Ark and all the Halos. They are machines built by the Forerunners to keep the Halo rings under control in case of any Flood outbreak. Their purpose is to eliminate any Flood that appear on the Halo rings. The Elites consider the Sentinels as "The Holy Warriors of The Halo Rings." Although portrayed weak in the Halo games, the novels portray them as incredibly strong. In the novel 'Ghosts of Onyx', the planet Onyx is completely made up of them. It also houses a factory in which every few seconds a new one is made. In Halo: Combat Evolved, they are extremely weak against a charged shot from the Plasma Pistol.

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Last edited by Emaster MK on 13 June 2010 at 10:27
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