Dark Coin is a skill used by Hardcore Leveling Warrior. It is a Nightmare variation of the Lucky Coin skill.
Hardcore Leveling Warrior flicks the Dark Coin and when he catches it, a dark aura emits from his closed fist. His body is then wrapped in dark aura before achieving
Hardcore Leveling Warrior used this skill during his PvP against
Zero in The Subjugation Round. After flicking the Dark Coin, he was able to achieve Nightmarization 50%.
The Dark Aura surrounding HCLW's fist after flicking the Dark Coin (Episode 49)
HCLW wrapped in a dark aura after flicking the Dark Coin (Episode 49)
Notes & Trivia
Hardcore Leveling Warrior's fist gave off a dark aura as he used the Dark Coin as opposed to emitting a golden aura when he used the Golden Lucky Coin, carrying on the dual theme of light v darkness in the series.