Draw a teardrop or wavy outline for the flame shape
Add a smaller inner flame shape inside the first outline
Make the bottom of the flame narrower and pointed
Curve the sides upward in uneven, flowing lines
Add a second or third flame layer for depth
Darken the outer edges of the flame
Leave the center lighter for a glowing effect
Use yellow, orange, and red colors
Blend the colors from bright center to darker edges
Add small flickering tips at the top for movement