"Ah, ours are nanotechnology," Aqua said. "The nanobots are small enough that they are all but invisible and intangible until they combine." She put her other hand on her Heyblade near the end and easily split it into two pieces. "Though this seems to be unique to Keyblades from our reality." She put it back together and it vanished. She summoned another one that looked nearly identical. "This one for example..." She tried to break it and nothing happened. "Is part of my Heart and is stored magically within me."