Hellblaze

is a demonic technique utilized by members of the Demon Clan, as well as at least one human. It makes use of the Demon's signature, an inextinguishable black flame.

Description
Hellblaze is a dark and mysterious power connected to the Demon Clan. It allows the user to generate and control black flames that cannot be extinguished. In addition to its immensely devastating power, the flames also nullify any regenerative abilities including that of an immortal.

In battle, Hellblaze can be imbued upon weapons through an ) spell to drastically increase their destructive potential, hurled as fireballs at an opponent or used in hand-to-hand combat.

Meliodas

 * A powerful attack that requires Meliodas to heighten his power and senses to the utmost limit. Black flames engulf his sword as he leaps into the air. He then performs a powerful slash that hurls the flames in a single, ruinous attack.

Hendrickson

 * Hendrickson points his sword towards the opponent and engulfs them in a wild, black inferno.

Mael

 * Mael (under his Estarossa persona) creates a large dog made of dark flames that incinerates anyone in its path. It can also create a giant barrier of flames to trap its targets in.

Original Demon

 * The Original Demon fires an spider-like Hellblaze blast from his cane.

Trivia

 * The only known person who was able to put out the flame was Merlin and later on Elizabeth Liones.
 * Hellblaze Wave was originally called in the magazine release.
 * Evil Hound was originally called in the magazine release.

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Hellblaze