"Don't Fear the Reaper", known as "The One-Turn-Kill Death God" in the Japanese version is the ninety-first episode of the Yu-Gi-Oh! GX anime. It first aired in Japan on June 28, 2006 and in the United States on February 5, 2007.
Jaden later discovers that Lucien had lost faith in his Deck long ago and sold his soul to "Grim Reaper", if the monster spirit helped Lucien win all his Duels. After the two battle through Lucien soon sees that he had always loved his deck and seeing Jaden's faith in his deck he throws the Grim Reaper card to fight on his own. He switches his arm to avoid using the power of the Grim Reaper. In the end, Lucien loses the Duel, but not before regaining faith in himself, which results in him breaking his deal with "Grim Reaper" and deciding to Duel of his own free will.
Lucien then activates "Slash Draw" to send the top four of his Deck to the Graveyard ("Reload", "Magical Stone Excavation", "Exchange of the Spirit" and "Big Eye") (one card for each card on Jaden's side of the field) and draw a card. If it is another copy of "Slash Draw", all other cards on the field will be destroyed and Jaden will take 1000 damage for each card destroyed and sent to the Graveyard this way. Lucien draws "Slash Draw", but while all cards on Jaden's field are destroyed; only three of the destroyed cards go to the Graveyard (Jaden 4000 → 1000). Jaden then reveals that the other set card that was destroyed was "Hero Medal". Since "Hero Medal" was destroyed by a card effect from one of Lucien’s cards, it returns to Jaden’s Deck and lets Jaden draw one card.
Lucien then activates "Footsteps of the Goddess" to make Jaden Special Summon "Elemental Hero Avian" (1000/1000) in Attack Position. Lucien then uses the second effect of "Footsteps of the Goddess" to Special Summon "Invincible Demise Lord" (1300/2000) in Attack Position. Due to the last effect of “Footsteps of the Goddess, neither monster Special Summoned by the effect of “Footsteps of the Goddess” can attack this turn.
Turn 3: Jaden
Jaden draws "Polymerization" and subsequently activates it to fuse "Avian" with "Burstinatrix" in order to Fusion Summon "Elemental Hero Flame Wingman" (2100/1200) in Attack Position. "Flame Wingman” attacks and destroys "Invincible Demise Lord" (Lucien 4000 → 3200). The effect of "Flame Wingman" then activates, inflicting damage to Lucien equal to the ATK of “Invincible Demise Lord” (Lucien 3200 → 1900). On Jaden’s End Phase, Lucien activates the effect of "Invincible Demise Lord" to Special Summon itself from his Graveyard in Attack Position with 3000 ATK (1300 → 3000/2000) and grant it immunity to destruction by card effects.
"Invincible Demise Lord" then attacks directly, but Jaden activates the second effect of "Emergency Evasion" to draw a card. If the drawn card is the same type as the card that Jaden removed from play via “Emergency Evasion”, he can return that card to his side of the field in the same position it was in before it was removed from play. Jaden draws "Elemental Hero Neos", so "Dandylion" is returned to the field (300/300) in Defense Position. A replay occurs and Lucien uses "Invincible Demise Lord" to attack and destroy "Dandylion". The latter's effect then activates, Special Summoning two "Fluff Tokens" (0/0) in Defense Position.
Turn 7: Jaden
Jaden draws "Neos Force". He then Tributes his two "Fluff Tokens" in order to Tribute Summon "Elemental Hero Neos" (2500/2000) in Attack Position. Jaden then equips "Neos" with "Neos Force", increasing its ATK by 800 ("Neos": 2500 → 3300/2000). Now if "Neos" destroys a monster in battle and sends it to the Graveyard, Lucien will take damage equal to the ATK of his destroyed monster. "Neos" attacks and destroys "Invincible Demise Lord" (Lucien 1900 → 1600). The effect of "Neos Force" then activates (Lucien 1600 → 0).
When "Elemental Hero Flame Wingman" destroys "Invincible Demise Lord", Jaden says that due to his special ability, he gets a second attack which is a direct one (which would bring Lucien down to 900 Life Points); the actual effect is that the destroyed monster's ATK is subtracted from the controller's Life Points.