Witch Guard

The Witch-Guards were alien mercenaries, hired by the Samurians to help defend their citadel against the Sontarans

Not much is known about their past, other than the events that took place on Samur.

The Witch-Guards were swordsmen, with swords able to deflect the Sontaran's weapons back on themselves, the Sontarans reacted by capturing one of the Witch-Guards and realising a Sontaran disease on the planet to destroy the Witch-Guards, when the captured Witch-Guard saw this, he told the commander who ordered the disease to be released a "curse" that "For this crime, your forces will know only defeat. The blood of the seven must be paid, seven sacrifices must be made, before the curse is lifted. Seven of your finest sons belong to us for slaughter and only then will the blood get old". Afterwards it was killed by the commander. However it dissipated into that commander who would later on become Fleet-Marshal Stabb, after cloning his DNA it was able to corrupt all the clones that were cloned from the Fleet-Marshal making them clumsy and with several problems (e.g. stupidity and cataract), making it seem like an actual curse. Finally after twenty years, Stabb finally sent 7 of the worst Sontarans in the whole of the empire (clones from Sontar's greatest heroes) to Samur, where the Rutans (after a landing patrol was absorbed by surviving Witch-Guards for hosts, but only got their strengths and weaknesses) were guarding Samur to prevent them from getting away. Of which they made those Seven Sontarans crash on Samur and one by one they get absorbed by the Witch-Guards.

Meanwhile, Stabb had actually planned after the Witch-Guards killed and absorbed the Sontarans on Samur, he would blow Samur up along with the Witch-Guards to end the curse they put upon his race, but he and his battle sphere were destroyed by a near-by Rutan Fleet.

It later turns out that the Witch Guard is actually one creature which can divide itself into seven parts to ensure its own survival, but it needs a host for each of the seven parts of itself, which is why it needs seven Sontarans, while using the Rutan's shape-shifting abilities would return to Sontar and clone itself, creating an immortal army of Witch-Guards, however, since it absorbs both strengths and weaknesses of the Sontarans, one of the Sontarans poisoned himself with a chronic acid pill and was then absorbed by the Witch-Guard, of which it died from it. (AUDIO: Heroes of Sontar)