Changes

|Followed by =[[The Horus Heresy Book Three - Extermination|Book Three - Extermination]]

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==Description==

Word of [[Horus]]' treachery escapes [[Isstvan III]] and now the [[Space Marine Legion|Legions]] loyal to the [[Emperor]] mobilise to make Horus and those who follow account for their crimes. However the depth of the betrayal is yet to be revealed.{{Fn|1}}