Yes, very good
(Meiton: Kyūketsukō) - Dark Release: Inhaling Maw
Rank: B
Type: Offensive, Defensive
Range: Short
Chakra cost: 20
Damage points: N/A
Description: The user uses their dark release to forcibly extract the physical and spiritual energy (chakra) of another ninja and absorb it through the upper square of the mark on his left hand, which can then be used to perform Dark Release: Judgment.
Note: Can absorb up to A-Rank Wind, Fire and Lightning techniques, S-Rank raw chakra or C-Rank Water, all within reason. Has no effect on Earth techniques.
This is what you use to absorb techniques with, using your squar in your arm. As you can see it has the ranks below..
*uses*
(Katon: Gōka no Jutsu) - Fire Release: Hellfire Technique
Rank: A
Type: Offensive
Range: Short - Mid
Chakra cost: 30
Damage points: 60
Description: The user will manipulate their chakra and breath out from their mouth a large fireball that travels at the opponent. As it reaches the opponent it bursts into a maelstrom of fire engulfing them in flames.
Use the inhaling maw to absorb the chakra from the fire that heads towards you leaving nothing behind.. You can think of the square mark on your hand as a sort of sealing chamber where the chakra or energy is stored.