Crystals that looks like quartz with the behavior of Ice? This crystal phenomena does behave very strangely in anywhere outside of this city.

And yet it does make sense in here: as long as there is some magic lingering within all of us, this strange rain could try to crystalize anyone who comes across it. It appears that, to these crystals, we’re essentially magic magnets for them to fall into and attempt to turn us into crystalline figures.