Bending the elements…
Breathe super-hot fire that ignites the ground.
FlameBreath is a combo that lets the caster breathe a stream of extremely hot fire, burning entities and igniting the ground in a short cone. A permission easter egg can turn the breath rainbow-colored.
FireBlast (Tap Sneak) → HeatControl (Hold Sneak).
Bind the required abilities and perform the sequence in order. Use /bending help FlameBreath in-game for exact timing.