Sora's Keyblades
Kingdom Key -> Engine Blade
Hero's Origin -> No Name
Shooting Star -> Sarah's Shortsword
Favorite Deputy -> Blood Sword
Ever After -> Rune Saber
Happy Gear -> Animus (Exdeath)
Crystal Snow -> Barbarian's Sword (Warrior of Light)
Hunny Spout -> Overture (Lightning)
Nano Gear -> Sword of the Wise
Wheel of Fate -> Excalibur (Lightning)
Starlight -> Void Gear
Grand Chef -> Young Xehanort's Keyblade
Classic Tone -> Way to the Dawn
Elemental Encoder -> Blazefire Saber
Ultima Weapon -> Sword of the Father
Oathkeeper -> Dawn Sword
Oblivion -> Balmung

Goofy's Shields
Knight's Shield -> Wizard Shield
Knight's Shield+ -> Ice Shield (Warrior of Light)
Clockwork Shield -> Lustrous Shield (Warrior of Light)
Clockwork Shield+ -> Absorb Shield
Star Shield -> Winged Degen (Kam'lanaut)
Star Shield+ -> Hero's Shield
Aegis Shield -> Golden Shield (Bartz)
Aegis Shield+ -> Flame Shield
Storm Anchor -> Diamond Shield (Firion)
Storm Anchor+ -> Delkfutt Galatyn (Kam'lanaut)
Nobody Guard -> Aegis Shield (Bartz)
Nobody Guard+ -> Ziedrich
Save the King -> Divine Shield (Kam'lanaut)
Save the King+ -> Shield of the Just

Donald's Staves
Mage's Staff -> Ramuh's Scepter
Mage's Staff+ -> Nightmare (Ultimecia)
Warhammer -> Force Rod (Yuna)
Warhammer+ -> Venom Rod (Emperor Mateus)
Magician's Wand -> Rod of Censure (Emperor Mateus)
Magician's Wand+ -> Astral Rod (Yuna)
Nirvana -> Rod of Spite (Emperor Mateus)
Nirvana+ -> Nightseeker (Y'shtola)
Astrolabe -> Omnirod (Onion Knight)
Astrolabe+ -> Mace of the Fierce
Heartless Maul -> Arc Arcana (Yuna)
Heartless Maul+ -> Morning Star
Save the Queen -> Rod of Equilibrium (Emperor Mateus)
Save the Queen+ -> Scepter of the Pious

Guest Keyblades
Braveheart -> Twin Stinger
Destiny's Embrace -> Void Sword (Exdeath)
Star Cluster -> Blazefire Saber
Xion's Kingdom Key -> Ultima Weapon (FFXV)
Wayward Wind -> Zantetsuken (Terra)
Master's Defender -> Mythril Saber
Earthshaker -> Sword of the Infernian (Ardyn)

Formchanges
Second Form -> Armiger Unleashed

Guardian Form -> Sentinel Form
No Name formchange:
Counter Shield (Shield of the Just) -> Merciful King's Shield

Overture formchanges:
Hunny Blasters (Bow of the Clever) -> Flourish of Steel
Hunny Launcher (Magic Launcher) -> Arsenal of One

Way to the Dawn formchanges:
Boom Hammer (Axe of the Conqueror) -> Chaos King's Axe
Clock Drill (Wrecking Ball) -> Wrecking Ball

Strike Form -> Fatal Form
Blood Sword formchanges:
Hyper Hammer (Sword of the Tall) -> Dynast King's L. Sword
Drill Punch (Wrecking Ball) -> Wrecking Ball

Animus formchanges:
Agile Claws (Steel Pincers) -> Steel Pincers
Twin Yo-Yos (Star of the Rogue) -> Dragon Queen's Star

Excalibur formchanges:
Highwind (Trident of the Oracle) -> Trident of the Oracle
Storm Flag (Mace of the Fierce) -> Fierce King's Mace

Element Form -> Arkana Form
Sarah's Shortsword formchanges:
Double Arrowguns (Bow of the Clever) -> Winged King's Bow
Magic Launcher -> Gaze of the Vortex

Rune Saber formchanges:
Mirage Staff (Scepter of the Pious) -> Holy King's Staff

Blitz Form -> Illegal Form
Barbarian's Sword formchanges:
Blizzard Claws (Steel Pincers) -> Steel Pincers

Sword of the Wise formchange:
Nano Arms (Blade of the Mystic) -> Yaksha King's Sword

Young Xehanort's Keyblade formchange:
Frying Pan (Shield of the Just) -> Merciful King's Shield

Ultimate Form -> Bladekeeper
Sword of the Father formchanges:
Ultimate Blade (Sword of the Draconian) -> Bladekeeper

Light Form -> Pryna Form

Dark Form -> Umbra Form

Double Form -> Legacy of the Lucii

Armor
Midgar Bangle
Bahamut Horn
Volant Armlet
Force Bracelet
Geometric Bracelet
Mythril Armlet
Ninja Armlet
Titanium Bangle
Mezu Armlet
Gozu Armlet
Anklet of the Gods
Chain Bangle
Firebird Armlet
Studded Bracer
Hypno Crown
Magitek Suit
Leather Bracer
Heavy-Duty Bracer
Dark Matter Bracelet
Bronze Bangle
Sorcerer's Armlet
Mesmeric Armlet
Adamantite Bangle
Iron Bangle
Chthonian Armlet
Rune Armlet
Shinra Bangle
Corneo Armlet
Byakko Tiara
Soryu Tiara
Suzaku Tiara
Genbu Necklace
Caliginous Bracelet
Magician's Bracelet
Gothic Bangle
Ribbon
Otherworldly Crystal
Robe of the Lord
Supreme Bracer
Black Hood
Armiger Accelerator
Star Bracelet
Mako Crystal
Secrets of the Staff
Sharpshooter's Companion
Secrets of the Ninja
Telluric Scriptures
Art of Swordplay
Iron Maiden
Astral Cuff
Cog Bangle

Accessories
Gozu Drive
Mezu Drive
The Tall's Talisman
Power Wristguards
The Clever's Talisman
Bulletproof Vest
The Wanderer's Talisman
Transference Module
Insomniac Headband
Clarity Pendant
Enchanted Ring
Enfeeblement Ring
Survival Vest
Supernatural Wristguards
Anima Talisman
Fury Ring
Protective Boots
Timeworn Talisman
Whistlewind Scarf
Luminous Circlet
Healing Carcanet
Radiant Gemstone
Sealbreaker's Key
Ring of the Lucii
Rare Metal
Mark of the Archaean
Mark of the Vortex
The Founder King's Sigil
Omega Badge
Trihead Heart
Star Pendant
Divine Earrings
Platinum Earrings
Andrea's Earrings
Mythical Amulet
Crescent Moon Charm
Chocobo Badge
Salvation Badge
Revival Earrings
Mark of the Hydraean
Mark of the Fulgurian
Infernian Shard
Mark of the Draconian
Mark of the Glacian
Tarot Cards
Spectral Cogwheel
Superstar Belt
Champion Belt
Kindred Cord
Moogle's Amulet
Gotterdammerung
Seraphic Earrings

Recovery Items
X-Potion
X-Ether
Crimson Spike
Vitalabrew
Yellow Flower
Da-chao Beans
Gysahl Greens
Phoenix Down

Key Items
VR Headset
Tournament Registration Card
Moogle Membership Card
Dream Materia
Pixel Materia
'Ohana Materia
Pride Materia
Ocean Materia
Honey Credit Card
Madam M's Endorsement
Condor Coin