The opening instalment of John French’s Agent of the Throne audio drama series, which ties into the wider Horusian Wars arc, Blood and Lies sees Ianthe (first seen in the short story The Purity of Ignorance) recounting the tale of her first solo mission for Inquisitor Covenant. Dispatched to Mithras to deal with a troublesome cult before it becomes too much of a problem, only to find a deeper darkness lurking beneath, she has to use of all the tools – human and otherwise – at her disposal in order to fulfil her oaths and complete her mission.