A Ghost Helm, also spelled Ghosthelm, is an Aeldari technology worn by Asuryani Farseers. This helmet, fashioned in the typical Craftworld Aeldari style, incorporates highly intricate, psychic circuitry crafted from crystal that is capable of masking the presence of the wearer's soul in the Immaterium.
- Codex: Craftworlds (7th Edition) (Digital Edition), "Treasures of Vaul"
- Codex: Eldar (4th Edition), pg. 26
- Codex: Eldar (3rd Edition), pg. 34