Brother Fellwalker was not bothered in the least by the deaths of the former humans. He saw them as utterly devoid of the Emperor's light and as such must be purged with all the ferocity afforded to the heretics and xenos of this world. Hefting his immense chain axe, he simply began to wipe the blood from across it's huge, jagged teeth whilst following the Librarian and Assault Marine. "I don't remember the Tau being so...aggressive, in their indoctrination. Current information suggests they normally go the slow brain-washing side of things..." His speech was slow and considerate, one moment of laxity could condemn them all to a lifetime of suffering for their heresy.

Kaerell marched alongside his brothers into the command room of the Tau fortress, he didn't falter in the least when he saw the imposing stature of the Tau battlesuit, however. No, instead he hurled his axe with all his might into the battlesuit, causing a huge rent in the armour and surely splattering any unfortunate that piloted it... 

No screams of agony came, though. Just damning silence as the suit stood there, the teeth of the chain axe ground into the composite sides of the armour. "By the throne, what is this madness?!" He raged, pulling the axe from the suit with a fluid motion before simply walking away like nothing had even occurred. "Purge this place..."