Card Appearances:Mighty Warrior
- In the manga this card's attack name is "Mighty Knuckle" and effect name is "Rocket Knuckle".
- In chapter 2, Yusei Fudo used "Advance" to Special Summon "Junk Blader" and Normal Summoned "Apprentice Warrior of the Screw". He uses both of those monsters to Synchro Summon "Mighty Warrior".
Yusei then used "Mighty Warrior" to attack and destroy "Hellfire Spearman Ghost Lancer", inflicting 200 Battle Damage and 1000 effect damage to the Skeleton Knight.
- In chapter 3, the Skeleton Knight attacked this with "Underworld Dragon Dragonecro". Due to "Dragonecro's" effect, "Mighty Warrior" wasn't destroyed, but had its soul taken, lowering its ATK to 0. The stolen soul formed "Mighty Warrior Dark Soul".
The Skeleton Knight used "Mighty Warrior Dark Soul" to attack "Mighty Warrior". Again "Mighty Warrior" wasn't destroyed, but Yusei toook 2200 Battle Damage. On Yusei's turn, he Summoned "Righty Driver" and used it with "Mighty Warrior" to Synchro Summon "Lightning Warrior".