Cleansing Drops I

I reached the end of the hall, and I did not find some Divine Crystal or similar resource, but I did find something interesting, and my runes were screaming for it. 

At the end of the hall, on the ceiling, three formations are clashing, and from the center of their clashes, a multicolor drop will fall down, and the thing is this drop would evaporate midway; the drop would never touch the ground.

As I had said, I have no freaking idea what it is, but my runes are crazily desiring for it; they are reacted such a way very few times.

I looked at the three formations on the ceiling whose clash is creating the drops that are falling down every minute. The first formation is physical type; if I am not wrong, then this formation is about pressure, a physical pressure that would apply to every cell of a person.