Kraven places a blue gem in each of the three attached hands on the gargoyle. When the third gem is placed, the hands close around the gems, crushing them and dumping the powder on the floor. The stony digits then return to their previous position.
It must do something, that is too purposeful, Simo says, Feel around he floor, maybe the fourth hand was meant to give something.
"Let me see if the fallen arm can be reattached."
Unless the dust is meant for something? states Kraven, looking over the dust to see if it possesses any kind of unusual properties.