Ok first off ill use
(Katon: Kasumi Endu no Jutsu) - Fire Style: Mist Covering Technique
Rank: D
Type: Offense/Supplementary
Range: Short
Chakra Cost: 10
Damage Points: N/A
Description: After performing the necessary hand seals, the user is able to create and blow a flammable gas from their lungs. Once it comes in contact with fire or sparks, the gas ignites into a large fireball.
covering the area around u in a flamable gas
next ill use
(Katon: Karyu Endan) - Fire Style: Dragon Flame Bomb
Rank: B
Type: Offense
Range: Short/Mid
Chakra Cost: 20
Damage Points: 40
Description: This technique exhales a long stream of incredibly hot fire from the user's mouth like that of a flamethrower. The fire can spread along the ground.
Incinerating the area around you and as soon as it touches the gas it explodes knocking your flying back with 3rd degree burns