How to paint the flames ?

Hello there fellow dust brothers !! Painting my first Infernal Master and I need help on how to paint those flames !! Most tutos are not it (as you may notice I m not a great painter ) so any easy trick to make it work ?? Thanks !!

Hello there fellow dust brothers !! Painting my first Infernal Master and I need help on how to paint those flames !! Most tutos are not it (as you may notice I m not a great painter ) so any easy trick to make it work ?? Thanks !!