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Chaos Portal

Chaos Lord of the Emperor's Children equipped with a Doom Siren

The Doom Siren is a Chaos Space Marine sonic weapon used by Noise Marines. The device is made up primarily of an arrangement of tubes which amplify the war cries of the bearer into a devastating sonic attack which spreads out in front of the charging marine.¹

Sources

• ¹:Codex: Chaos Space Marines (4th Edition) (p.39)