Lord Commander Erus..

From within the mass of heretics, a shrill scream sounded. The Lt. Green, or so his insignia identified him as, had begun to lash at at those about him. An odd, silver grey sword was in his hand, being plied in sweeping figure-eights.

Two heretics went down as Green began to writhe. Whole sections of his face seemed to morph into someone else's, and suddenly Lt. Green was no longer Lt. Green, but another person entirely. Four more guardsman went down, the dull grey blade seeming to uttelry pass through them.

Whirling the light blade back into sheath at his side, the figure pirouetting to slash a guardsman with a sickly looking dagger, his left shoulder burned by a concentrated las round from the now screaming guardsman.

A confounding series of flips set the hidden assailant at Zens side, the bizzare grey sword in his hands and whirling again, an emissary of phantasmal death, slicing clean through a sixth guardsman. His skin, now lightly tanned and sheening with an odd layer of oily-sweat, was branded on the neck with the mark of the a organization that would make sense only to an Inquisitor.