Yusei and Lenny ' s Duel Yusei and Lenny ' s Duel was a Duel between Yusei Fudo and Lenny in the " Yu - Gi - Oh ! 5D ' s " anime . Events . Prior events . Lenny tripped up Tank at work in the plant earlier . As a result , Lenny , Lug and Larry received pay cuts . They later went to Yusei ' s hideout to confront Tank , Nervin and Blitz about this . Here they spotted Yusei ' s Duel Runner , " Yusei Go " and stated it was a waste for a Satellite resident to have a Duel Runner . They offered to leave quietly if the Duel Runner was handed over to them , but Yusei refused . ( In the English version , Lenny tried to purchase the Duel Runner and threatened to tell Sector Security that Yusei had an illegal Duel Runner , when he refused to sell it . ) Lenny Recognized Yusei as the rider and challenged him to a Duel , where the winner kept the Duel Runner . Blitz told Yusei to ignore him , but Yusei said that Lenny , Lug and Larry had mocked their dreams and accepted the Dues . ( In the English version Yusei ' s friends were in favour of Yusei accepting the Duel as they regarded Lenny as a bully and Yusei thought he could teach him a lesson by standing up to him . ) Lenny Normal Summon ed " Chainsaw Insect " ( ATK : 2400 ) and activated " Retribution of the Ant Lion " . Yusei Summoned " Shield Warrior " in Defense Mode ( DEF : 1600 ) and Set " Scrap - Iron Scarecrow " . Lenny Summoned " Pinch Hopper " ( ATK : 1000 ) . The Duel . He discard ed " Insect Knight " ( In the English version , he discarded " Metal Armored Bug " ) to activate " Insect Costume " , which he used to add " Doom Dozer " to his hand and destroy " Pinch Hopper " . This activated the effects of " Pinch Hopper " and " Retribution of the Ant Lion " . " Retribution of the Ant Lion " inflicted 800 damage ( Lenny : 4000 → 3200 Life Points ) and he Special Summon " Metal Armored Bug " ( ATK : 2800 ) from his hand with the effect of " Pinch Hopper " . Lenny removed " Pinch Hopper " and " Insect Knight " from his Graveyard from play , to Special Summon " Doom Dozer " ( ATK : 2800 ) . Lenny attack ed " Shield Warrior " with " Chainsaw Insect " , but Yusei negate d the attack with " Scrap - Iron Scarecrow " , which returned to its face - down position afterwards . Lenny attacked and destroyed " Shield Warrior " with " Metal Armored Bug " and " Retribution of the Ant Lion " inflicted 800 damage to Yusei ( Yusei : 4000 → 3200 Life Points ) . " Doom Dozer " attacked Yusei directly ( Yusei : 3200 → 400 Life Points ) . Yusei Normal Summoned " Speed Warrior " ( ATK : 900 ) and activated " Double Summon " to also Normal Summon " Junk Synchron " ( ATK : 1300 ) . Yusei sent " Speed Warrior " and " Junk Synchron " to the Graveyard to Synchro Summon " Junk Warrior " ( ATK : 2300 ) . He equip ped " Junk Warrior " with " Fighting Spirit " ( ATK : 2300 → 3200 ) . Yusei activated " Domino Effect " and attacked and destroyed " Chainsaw Insect " with " Junk Warrior " ( Lenny : 3200 → 2400 Life Points ) . By sending " Fighting Spirit " and " Scrap - Iron Scarecrow " to the Graveyard , Yusei used the effect of " Domino Effect " to destroy " Doom Dozer " and " Metal Armored Bug " . The effect of " Retribution of the Ant Lion " inflicted 2400 damage to Lenny ( Lenny : 2400 → 0 Life Points ) , causing Yusei to win the Duel . Aftermath . Lenny fell to his knees and Yusei approached him . Yusei said that a friend , referring to Jack once told him , " You cannot win a Duel with just monsters ; Nor can you win with just Traps or Spell Cards ; They hold a reason only when they become one . And the most important thing you must have to seize victory . . . is right here . " Although Jack didn ' t say what that thing was , Yusei said he now knows it ' s the soul of a duelist that believes in every card . ( In the English version , Yusei said that he had been told that when your back ' s against a wall and you feel like there ' s no way out , if you trust in the power of your Deck , you can find a way out of any situation ) Yusei told Lenny that the belief that he had in the power of his cards gave him the strength to win . Lenny was impressed with Yusei and hoped to Duel him again someday .