Material for burning papers - part 3 of 3

Create a another Cellular map, animated it's Spread. Use this map as mask between paper that not burning and paper which is burning.

final shading network 

Procedural burning paper shader RnD from Hammer Chen on Vimeo.

Download burning paper Lite material,  COMPLEX (private account only)

Material for burning papers - Part 1 of 3

Material for burning papers - part 2 of 3