Several characters are able to change forms. For playable characters, Items, Relics, Souls, Spells, Glyphs or powers can be found that allow the transformation to happen or enhance one of the existing forms. Switching forms usually has a continuous or upfront cost in Hearts or MP.

Game specific information

Castlevania III: Dracula's Curse

Item Data: Dracula's Curse (edit)
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Transform into a Bat (jpn) - Dracula's Curse   ' - Alucard				[edit]
	He does have the power to transform into a bat and fly around. (...)	Consume: 1 Heart/sec			Sequence: Down + A

Castlevania: Symphony of the Night

Item Data: Castlevania: Symphony of the Night (edit)
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Soul of Wolf (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Transform into Wolf			Find: Outer Wall	Effect: Enables Wolf Form ability
	Power of Wolf (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Run swiftly as Wolf			Find: Entrance	Effect: Wolf Form's dash (double tap left or right) now deals damage and is not stopped by contact with enemies
	Skill of Wolf (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Special move as Wolf			Find: Alchemy Laboratory	Effect: Enables Wolf Charge spell by pressing ↓↘→ + [Attack]; allows the use of the Special button in water to swim (not available in Saturn version)
	Form of Mist (Mist) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Transform into Mist			Find: Colosseum	Effect: Enables Mist Form ability. Only transforms briefly
	Power of Mist (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Extends Mist transform time			Find: Castle Keep	Effect: Allows Alucard to remain in Mist Form as long as he has MP
	Gas Cloud (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Transform into poisonous cloud	Attrib: Poison	ATT +20	Find: Floating Catacombs Guard: Galamoth	Effect: Mist Form deals Poison damage to enemies upon contact
	Soul of Bat (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Transform into Bat			Find: Long Library	Effect: Enables Bat Form ability
	Fire of Bat (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Shoot fireballs as Bat	Attrib: Fire Consume: 8 MP	ATT +10	Find: Clock Tower	Effect: Allows the Bat Form to shoot fireballs using the Attack button. Also allows the Bat Familiar to shoot fireballs if it is active
	Echo of Bat (jpn) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Use radar as Bat			Find: Olrox's Quarters	Effect: Allows the Bat Form to use the sonar wave ability. Only useful in a pitch-black room
	Force of Echo (Crazy Echo) - Symphony of the Night   Relic (Form) - Alucard				[edit]
	Attack with radar waves	Attrib: Hit	ATT +10	Find: Reverse Caverns	Effect: Allows the sonar wave attack of the Bat Form to deal slight damage to enemies

Castlevania: Circle of the Moon

Item Data: Castlevania: Circle of the Moon
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Jupiter + Cockatrice (Stone Form) - Circle of the Moon   DSS Effect - Nathan				[edit]
	Transform into stone and become invulnerable.	Consume: 8 MP/TIME		Create: Jupiter + Cockatrice	Effect: Turns Nathan to living stone, making him immune to status effects but greatly reducing his mobility.
	Pluto + Black Dog (Skeleton Transformation) - Circle of the Moon   DSS Effect - Nathan				[edit]
	Transforms into a skeleton.	Consume: 5 MP/TIME		Create: Pluto + Black Dog	Effect: Transforms Nathan into a Skeleton that can throw bones. Any damage he takes is instant death, and his attack is only 45% of his original STR, but he has 12.5% chance of throwing a large bone that deals amazing damage (as strong as 3,000 STR).
	Bear Ring (jpn) - Circle of the Moon   Arm (Ring) - Nathan				[edit]
	Ring with the curse of the bear.		STR -100, DEF -100, INT -100, LCK -100	Drop: Skeleton Medalist	Effect: Transforms Nathan into a bear with Pluto + Black Dog DSS cards

Castlevania: Aria of Sorrow

Item Data: Castlevania: Aria of Sorrow (edit)
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Curly - Curly Form (Kali - Kali Form) - Aria of Sorrow   Guardian Soul (Form) - Soma				[edit]
	Transforms into a demon that rushes at enemies. (Transforms into a demon to carve up enemies.)	Attrib: Sword Consume: 30 MP/sec	50 ATK	Drop: Curly
	Devil - Devil Form - Aria of Sorrow   Guardian Soul (Form) - Soma				[edit]
	Transforms into a demon that rushes at enemies. (Transforms into a demon and rushes at enemies.)	Attrib: Sword Consume: 30 MP/sec	60 ATK	Drop: Devil
	Manticore - Ogre Form - Aria of Sorrow   Guardian Soul (Form) - Soma				[edit]
	Transforms into a magical beast that rushes at enemies. (Transforms into a magical beast, then rushes at enemies.)	Consume: 30 MP/sec	70 ATK	Drop: Manticore
	Giant Bat - Bat Form - Aria of Sorrow   Guardian Soul - Soma				[edit]
	Transforming into a bat gives you the ability to fly.	Consume: 30 MP/sec		Find: The Arena	Effect: One of the three souls that represent Dracula's powers required to continue the game after the Graham boss fight.

Castlevania: Dawn of Sorrow

Item Data: Castlevania: Aria of Sorrow
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Valkyrie - Valkyrie Form - Dawn of Sorrow   Guardian Soul - Soma				[edit]
	Transform into a Valkyrie and charge at foes.	Attrib: Piercing, Holy Consume: 30 MP/sec		Rarity: *** Drop: Valkyrie
	Barbariccia - Ogre Form - Dawn of Sorrow   Guardian Soul - Soma				[edit]
	Transform into Barbariccia.	Attrib: Slashing Consume: 30 MP/sec		Rarity: *** Drop: Barbariccia
	Iron Golem - Iron Impact - Dawn of Sorrow   Guardian Soul - Soma				[edit]
	Transform into an invincible Iron Golem.	Attrib: Bashing Consume: 30 MP/sec		Rarity: *** Drop: Iron Golem
	Bat Company - Bat Form - Dawn of Sorrow   Guardian Soul - Soma				[edit]
	Transform into a bat and fly.	Consume: 15 MP/sec		Rarity: 100% drop rate. Drop: Bat Company
	Bat Form (Bat) - Dawn of Sorrow   Subweapon - Alucard				[edit]
	Alucard's skill	Consume: 5 MP/sec		Find: Starts with	Effect: Transform Alucard into bat.

Castlevania: Portrait of Ruin

Item Data: Castlevania: Portrait of Ruin (edit)
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Toad Morph (Change Toad) - Portrait of Ruin   Magic Spell - Charlotte				[edit]
	A shapeshifting spell that turns the caster into a frog.	Attrib: Strike Consume: 10 MP	ATK +6 (partially charged), ATK +12 (fully charged)	Find: Forest of Doom	Effect: Transforms Charlotte/Jonathan into a frog. Can hit enemies with its tongue. Damage raises with Charlotte's INT. Special: Fully charged: Increases damage of the tongue attack.
	Owl Morph (Change Owl) - Portrait of Ruin   Magic Spell - Charlotte				[edit]
	A shapeshifting spell that turns the caster into an owl.	Attrib: Strike Consume: 10 MP		Find: Dark Academy	Effect: Transforms Charlotte/Jonathan into an owl. Special: Fully charged: No particular changes.

Castlevania: Order of Ecclesia

Item Data: Castlevania: Order of Ecclesia (edit)
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Arma Felix (jpn) - Order of Ecclesia   Back Glyph - Shanoa				[edit]
	Grants cat-like abilities.	Consume: 80 MP		Drop: Black Panther	Effect: Transforms Shanoa into a werecat. She can attack with claw-swipes and rapid tail-whips, both at the cost of MP. Special: Shanoa is able to talk to the cats in Wygol Village. Black Panthers and Ladycats become allies.
	Arma Chiroptera (Arma Vesper) - Order of Ecclesia   Back Glyph - Shanoa				[edit]
	Grants bat-like abilities.	Consume: 80 MP		Drop: Werebat	Effect: Transforms Shanoa into a Werebat. Special: When Shanoa hits an enemy with a kick, she regains 1 HP for each time it hits.
	Arma Machina (jpn) - Order of Ecclesia   Back Glyph - Shanoa				[edit]
	Grants every ability of an automaton.	Consume: 80 MP		Drop: Automaton ZX27	Effect: Transforms Shanoa into an automaton. Special: Can break spikes upon contact.

Castlevania Puzzle: Encore of the Night

Item Data: Castlevania Puzzle: Encore of the Night (edit)
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Form of Mist - Encore of the Night   Relic (Form) - Alucard				[edit]
	Transform into a Mist Cloud.			Find: Underground Caverns	Special: Allows access to new areas.
	Soul of Bat - Encore of the Night   Relic (Form) - Alucard				[edit]
	Transform into a bat.			Find: Long Library	Special: Allows access to new areas.

Castlevania: Harmony of Despair

Item Data: Castlevania: Harmony of Despair (edit)
Image	Name - Game   Type - Users Description	Attributes / Consume	Statistics / Sell	Found	Notes
	Mist Form (jpn) - Harmony of Despair   Personal Skill - Alucard				[edit]
	'	Consume: 15 MP		Rarity: * Find: Starts with	Sequence: [Personal Skill] (default RB) Effect: Turns into mist to avoid an attack.