Darkhero

"Darkhero" (ダークヒーロー Dākuhīrō) is an attribute and it is currently unique to Hero World.

List of Sets with Superhero Cards

 * H Extra Booster 2: Shadow VS Hero

Size 1

 * The Scar

Size 2

 * Shadow Hero, Schwarz

Spells

 * But That Guy is The Most Underdog

Hero World

 * But That Guy is The Most Underdog