 The despairing Lorgar is subsequently swayed by two of his most trusted lieutenants, who are in secret allegiance with Chaos; eventually both Primarch and Legion covertly embrace (and promote) the Primordial Truth, many years before Horus' corruption.The story is largely told from the point of view of Argel Tal, a Captain of the Word Bearers, who becomes commander of a Chaos-possessed elite Legion unit.It spans several decades, starting 43 years before the events on Isstvan V (Book 5) and concluding around the time the Word Bearers are on their way to assault Calth (Book 19).