The Mark of Slaanesh is used to show loyalty to the Chaos God, Slaanesh. The majority of those blessed with the mark are the Chaos Space Marines of the Emperor's Children Legion. When burdened with the mark, the bearer becomes addicted to sensation of all sorts and craves new, more extreme pleasures. Thier excesses are made easier by their supernatural glamour that cloaks them, unnerving and disturbing their adversaries. Bearers of the mark of Slaanesh are fearless and have the Warp Scream ability.

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