Nope, if it does then the "Not harmful to life" would be wrong.
Updated this slightly
Fuinjutsu Kaijin Naraku - Sealing Arts Ash of Hades
Type: Supplementaty
Rank: A rank
Range: Short-Mid
Chakra: 30
Damage: (+20 to earth)
Description:
The user places a specific sealing tag onto the ground. Then by Clapping there hands together (does not require the hands to remain together) the tag will activate. This will send out a fire based ash which will work with the organic material throughout the ground. Turning the organic material into a strong B rank fire ash. This can boost the qualities and damage of any earth jutsu used for two turns (from the ground). Melding earth jutsu and the ash together into a combination of strengthening the earth's damage output. It will add +20 Damage to any earth jutsu and will also give those earth jutsu used a fire based attribute as well. This will cause severe burning upon impact of the ash based earth jutsu's. It can be seen by normal methods and doujutsu user's will be able to detect exactly what is happening. You can also feel the heat radiating from the ground as well as smell the burning organic material throughout the battlefield.
Restrictions:
+useable once per battle.
+Cannot be paired with forbidden ranked earth jutsu
+lasts for two turns.
+cannot use Fuin for one turn after the usage has finished.
+ Can only be paired with two earth jutsu per turn.
+ can only be taught by juha