[i]The entire arm was made out of adamantium and ceramic, same with the parts that connected it to his chest. On top of that, he was also wearing armour up to the elbow on his Chainsword arm, all in all making tearing it off very hard. While the Heretic was yanking on his arm, the Astartes grabbed his own Bolter, and rammed the bayonet into the Heretic's throat, ramming the knife straight through the throat guard. He then twisted and moved the knife, making the wound absolutely gigantic, eventually decapitating the foul Heretic completely - though his arm was severely damaged. [/i]