If Xelos was aware of their approach, which he most likely was, he didn't show any signs of concern. Casting a look at the area around the dragon, he scooped up a handful of the crystal dust that had composed the tower, along with a tiny fragment of the dragon's cocoon, examining both things and scanning them for leftover traces of the Collective's energy, finding none. "Interesting, they made this creature and didn't have to contribute a drop of their own power to give it life. It seems a spark of genius shines through the cloud of insanity every so often." the virus mused, looking up as the clouds fully dispersed, scattered by the energy field around his monstrous fortress.