Saul Tarvitz was a Company Captain within the Emperor's Children, respected by those who followed him and with a considerable number of victories to his name. While he was content to be a line officer and serve his Legion and Emperor, Lord Commander Eidolon saw his lack of relentless ambition as mediocrity – but history was to prove otherwise. Upon discovering the scale of and scope of the treachery that was about to unfold on Istvaan III, Tarvitz took it upon himself to act. Seizing a Thunderhawk, he flew down to the doomed world to warn the Loyalists trapped there of the impending slaughter, and led a rebellion against the Traitor Warmaster's forces.
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