Black Gate Keys are required to Duel Zane Truesdale at the Gate.
He appears in-game after the player reaches Stage 6 of Duel World (GX), at which point his Character Unlock Missions become available. Prior to November 18, 2018, he could only be unlocked in the special eventCyberdark Impact! Zane Truesdale Strikes!. Prior to being made available as a playable character, he had also appeared during special events as a roaming opponent.
After graduating from Duel Academy, Zane Truesdale was on the fast track to becoming the greatest Duelist in the pro leagues. However, his defeat against Aster Phoenix set him on a dark path where his only was victory - at any cost. As the master of the Cyber Style, Zane uses Cyber End Dragon to power his Underworld Deck with forbidden techniques.
When dueling against Level 40 Zane, these are the only cards that can drop; at lower levels, cards from the standard pool for Legendary Duelists may also drop.
When starting a Duel against Jaden Yuki, Zane says "Jaden, you once proved to be an exemplary challenger.", followed by "Let's see if you still are!"
When he wins the Duel, he says "You disappoint me."
When he loses the Duel, he says "Jaden, you'll be the top student at this school. Despite your grades."
Aster Phoenix
When starting a Duel against Aster Phoenix, Zane says "Aster... No matter who I Duel, it will still end in my victory!"
Jesse Anderson
When starting a Duel against Jesse Anderson, Zane says "My Cyber Legacy versus your Crystal Beasts.", followed by "Let's see which one's truly the most powerful."
Dr. Vellian Crowler
When defeated by Dr. Vellian Crowler, Zane says "You're not so bad of a prof, Dr. Crowler."
Yubel
When starting a Duel against Yubel, Zane says "Yubel is the strongest monster spirit in existence", followed by "If this is the last Duel I ever take part in, I'm going to enjoy every last move."
When he wins the Duel, he says "A new dawn is rising!", followed by "It's unfortunate you aren't going to be around to witness it, Yubel!"
When he loses the Duel, he says "I've dueled all over this crazy world...", followed by "To find my moment to shine... And I think I finally did... in my final moments..."
Syrus Truesdale
When starting a Duel against Syrus Truesdale, Zane says "You actually think you can defeat me?", followed by "Your funeral, Syrus!"
When he wins the Duel, he says "The Zane you knew is long gone and he's never coming back!", followed by "And nothing you say can change my mind!"
When he loses the Duel, he says "Syrus...", followed by "When did you become a greater Duelist than me? I'm proud of you."
When Zane Summons "Cyber End Dragon", a cut-in frame of Zane briefly appears, and he announces "Heh heh heh... It's over for you! Come, Cyber End Dragon!" If that player hasn't already Summoned "Cyber End Dragon" during that Duel, a cutscene of "Cyber End Dragon" being Summoned plays afterward.
Most of the time when Zane declares an attack with that monster, he announces "Cyber End Dragon, blast 'em!", followed by "Super Strident Blaze!"
When Zane Summons "Chimeratech Overdragon", a cut-in frame of Zane briefly appears, and he announces "Meet the last monster you'll ever see!", followed by "Chimeratech Overdragon!"
Most of the time when Zane declares an attack with that monster for the first time in one turn (or the sixth time and beyond), he announces "Chimeratech Overdragon, attack!", followed by "Evolution Result Burst!"
When Zane declares an attack with that monster for the second time in one turn, he announces "Twice in a row!"
When Zane declares an attack with that monster for the third time in one turn, he announces "Three times!"
When Zane declares an attack with that monster for the fourth time in one turn, he announces "Four times!"
When Zane declares an attack with that monster for the fifth time in one turn, he announces "Five times!"
When Zane activates that monster's effect, he announces "Chimeratech Overdragon's effect activates!"
When Zane Summons "Cyberdark Dragon", a cut-in frame of Zane briefly appears, and he announces "Welcome Cyberdark Dragon!"
Most of the time when Zane declares an attack with that monster, he announces "Feel the full might of my ancient birthright - the Cyber Legacy! Attack, Cyberdark Dragon!", followed by "Dark Cyber Stream!"
When Zane activates that monster's effect, he announces "Cyberdark Dragon's effect activates!"
Most of the time when Zane declares an attack with that monster, he announces "The Light - Hex-Sealed Fusion attacks!"
When Zane activates that monster's effect, he announces "The Light - Hex-Sealed Fusion's effect activates!"
When Zane Summons "Toon Cyber Dragon", he announces "Toon Cyber Dragon's bringing the charm!"
Most of the time when Zane declares an attack with that monster, he announces "Toon Cyber Dragon, show 'em this is no laughing matter!"
Spells/Traps
When Zane activates "Attack Reflector Unit" or its effect, he announces "I activate my Trap Card! Attack Reflector Unit!", followed by "Cyber Dragon evolves into Cyber Barrier Dragon!"
When Zane activates "Cyber Network" or its effect, he announces "I activate my Continuous Trap! Cyber Network!"
When Zane activates "Cyber Repair Plant", he announces "I activate my Spell Card, Cyber Repair Plant!"
When Zane activates "Cyberdark Impact!", he announces "I activate my Spell Card, Cyberdark Impact!!" [sic]
When Zane activates "Cybernetic Fusion Support", he announces "I activate my Quick-Play Spell! Cybernetic Fusion Support!"
When Zane activates "Cybernetic Zone", he announces "I activate my Quick-Play Spell! Cybernetic Zone!"
When Zane activates "Damage Polarizer", he announces "My Counter Trap activates! Damage Polarizer!"
When Zane activates "De-Fusion", he announces "My Quick-Play Spell, De-Fusion!"
When Zane activates "Different Dimension Capsule", he announces "I activate my Spell Card, Different Dimension Capsule!"
When Zane activates "Dimension Explosion", he announces "Witness my Quick-Play Spell! Dimension Explosion!"
When Zane activates "Evolution Burst", he announces "I activate my Spell Card, Evolution Burst!"
When Zane activates "Fusion Guard", he announces "I knew you'd try that. So I had a Counter Trap ready! Fusion Guard!"
When Zane activates "Metalmorph", he announces "I reveal my Trap Card! Metalmorph!"
When Zane activates "Overload Fusion", he announces "I activate my Spell Card, Overload Fusion!"
When Zane activates "Photon Generator Unit", he announces "The Quick-Play Spell, Photon Generator Unit!", followed by "I tribute Cyber Dragon to Special Summon Cyber Laser Dragon!"
When Zane activates "Polymerization", he announces "I activate the Spell Card, Polymerization!"
When Zane activates "Power Bond", he announces "This is the ultimate Fusion card!", followed by "I activate my Spell, Power Bond!"
When Zane activates "Power Wall", he announces "I play this! Power Wall!", followed by "I send cards in my Deck to the Graveyard to drop the battle damage to 0!"
When Zane activates "Rare Metalmorph", he announces "I activate my Continuous Trap, Rare Metalmorph!"
When Zane activates "Return Soul", he announces "I flip over my Trap Card! Return Soul!"
When Zane activates "Ruthless Denial", he announces "I activate my Spell Card, Ruthless Denial!"
When Zane activates "Trap Jammer", he announces "I don't think so! I activate my Counter Trap! Trap Jammer!"
The belt buckle on Zane's sprite differs between regions. Japanese players will see the letter "R" is centered on his belt buckle, drawn from the first letter of his name in the Japanese version, while the "R" is removed on his English sprite to match his dub appearance.