I called it Heatdrive: because almost every single fire-based, superpowered character, can use fire to fly/give them propulsion.
250 damage (If used with accelerant, it can cause enemies to light ablaze, causing a heavy DoT, which lasts 5s)
Each successful enemy hit, would give ember an overall damage multiplier. (like landslide, but it affects all of ember's damage--not just melee)
35 energy cost
Ember rapidly increases the temperature of the air behind her