Book of the Reviler (non-Priest)

Ifanon-Priest model has this Relic, it gains the RIEST keyword. In your Command phase, it can attempt to chant one prayer it knows that has not already been attempted by a friendly model that battle round. Roll one D6: on a 3+, the prayer is heard. The bearer knows Dark Zealotry and one other prayer from the Prayers to the Dark Gods (pg 120-121).

Dark Zealotry and one other prayer from the Prayers to the Dark Gods (pg 120-121).