I have an element suggestion: Greek Fire (GKFR), this would go under the explosive category and would be made by a combination of neutrons(NEUT), petrol (OIL), fire (FIRE), and water (WATR). It would be a liquid that moves at a much slower pace and clumps together with other elements of its type. It would not be stopped by any type of water and would only stop when it has nothing to burn or melt. It's flames are hot enough to melt metal (METL) or iron (IRON). It can be set off by intense heat, or high pressure/shaking. Thank you for reading this.