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'''Esca''' was a [[Codicier]] of the [[World Eaters]] during the [[Great Crusade]] and [[Horus Heresy]].{{Fn|11a}}

Like the few [[Librarian]]s remaining within the Legion, Esca was not implanted with the [[Butcher's Nails]] due to their hindering of psychic ability, and thus kept much of his sanity. Shunned by his own Legion and badly scarred after the [[Battle of Isstvan III]], Esca served in the command squad of Captain [[KharnKhârn]] during the Heresy. {{fn|1b}} During the [[Shadow Crusade]] Esca attempted to save his [[Primarch]] [[Angron]] as he was ascending to a [[Daemon Prince]] thanks to the sorcerer sorcery of [[Lorgar]]. However Angron instead murdered Esca, using him as a final sacrifice for his transformation.{{Fn|11c}}

*{{Endn|1}}: [[Betrayer (Novel)]],:**{{endn|1a}}: ''Dramatis Personae''**{{endn|1b}}: ch. 2**{{cite thisendn|1c}}: ch. 23