I think that with a bit of "tweaking" the effect is very good!
If you are able to add some "noise"effects (like changing wind)at the particles and change the color of the flame,then the code is good to put in an rpg game :)
If you are able to add some "noise"effects (like changing wind)at the particles and change the color of the flame,then the code is good to put in an rpg game :)