My chainsword? It uses rotary teeth in order to bite into bulkheads or heavy plate, like I wear. The effect on an unarmored human is.... devastating. [ Which is why it is lying over there. He looks to her blade with a question. ]

The Kingdom of Heaven and hell? A quaint concept....

[ He picks up the Spatha, which to a servant might well appear infused with Mana. Tohsaka's mana. Actually, he more or less has little spell-markings all over him that basically say Property of Rin. Not that he really knows, or cares. He is her partner, and she has helped to make his already mighty weapons even more effective. ]