In episode 157, Jaden Yuki uses this card during his duel against Trueman. After Jaden activates "Neo Space" (which increases the ATK of "Neos" by 500), he equips this card to "Neos", increasing its ATK by 800. "Neos" then attacks and destroys "Reign-Beaux, Overlord of Dark World" (whose ATK was 3500 due to it being equipped with "Axe of Despair"). This card then inflicts damage to Trueman equal to the ATK of "Reign-Beaux", winning Jaden the duel.
In episode 159, Jaden uses this card during his Duel against Atticus Rhodes. He equips this card to "Neos", increasing its ATK by 800. "Neos" then attacks and destroys "Red-Eyes Darkness Dragon". This card then inflicts damage to Atticus equal to the ATK of "Red-Eyes Darkness Dragon". On Jaden's End Phase, this card returns to Jaden's Deck due to its last effect.
In episode 170, during Jaden's duel against Sartorius, this card is seen when Jaden searches his Deck to Special Summon "Arcana Force 0 - The Fool". In the next episode, Jaden is forced to send this card from the top of his Deck to the Graveyard via "Sowing of the Fool".
In episode 179, this card can be seen in Jaden's hand during his Duel against Yugi Muto. In the next episode, Jaden equips this card to "Neos", increasing its ATK by 800. "Neos" then attacks "Dark Magician", but Yugi activates "Mirror Force" to destroy all of Jaden's Attack Position monsters. Since "Neos" was removed from the field, this card is destroyed.
Neos' attack name while equipped with this card in the original is Force of Neospace.