Material changing with fire
Hey I was using some fire in my next upcoming level and I realized that when you lethalize a material to be fiery, the fires corners will actually match those of the material it was. So basically if you are fire-izing sponge the corners will be rounder than if you did it to stone or cardboard.
I thought it was pretty interesting, also because different materials protrude into the other layers more than others, like masonry trim, and it also catches this. Everyone might already know this, but I thought it was cool.