Transform Costume
TransformCostume small
The Transform Costume
It's a costume to change into the magic girl, "Princess Heart."
Alternate costume that allows usage of Sexy Beam
Silent Hill 3
Silent Hill: Book of Memories

The Transform Costume is an item that appears in the inventory of Silent Hill 3 as an unlockable costume. After entering "PrincessHeart" into the costume typewriter, the Transform Costume will automatically appear in the inventory on an Extra New Game.

Using it activates a Sailor Moon-esqe sequence where Heather Mason transforms into her alter ego Princess Heart. The costume allows Heather to run long distances without tiring. Also, if the Heather Beam is unlocked, the costume allows the use of the Sexy Beam, an upgraded version of the Heather Beam.

Silent Hill: Book of Memories

In Silent Hill: Book of Memories, it returns as an Expansion Pack weapon, simply called Princess Heart. It is a very powerful weapon. It has two attacks: a tap will shoot an energy ball orb and holding the button will shoot laser beams.

They sell for 7,000 MR and are the most profitable weapon of the game, next to the Great Spear (4,000 MR), TV Remote (3,000 MR) and Television (2,250 MR).

Because the weapons respawn in zones when the player resets the game, they can essentially exploit selling them to farm MR:

  • Save in library > Find Princess Heart(s) > Run to Howard's Shop and sell them > Save > Reset game (repeat)

This method is especially useful if the player finds two (or more) Princess Hearts in a zone (along with a Great Spear or TV Remote), meaning they can easily earn 14,000 MR every 10 minutes or so. For comparison, the most expensive item in the game is the Silver Bracer of Serpents (77,700 MR) and the second most expensive item is the Chamuel's Rose Quartz (27,000 MR).


Silent Hill 3 Secret Voices00:56

Silent Hill 3 Secret Voices

Heather speaking Japanese.

  • While wearing the Princess Heart costume, if Heather fights the Insane Cancer in the Otherworld Hilltop Center (in the room with the Pork Liver), it will speak Japanese in a robotic voice. Heather will speak Japanese when attacked or killed, and if Heather swings the maul, she makes a very comical war cry. It is currently unknown if this occurs anywhere else.
Silent Hill 3 - Heather Beam, Sexy Beam01:57

Silent Hill 3 - Heather Beam, Sexy Beam

Heather using Sexy Beam at 0:50.

  • The item is most likely an homage to the Sailor Moon series, as it is rife with transformation sequences and bejeweled accessories. It is very reminiscent of a generic transformation sequence in Japanese anime.
  • In the Silent Hill HD Collection, the "If Looks Could Kill" achievement/trophy (received for obtaining Heather Beam) icon is an image of Heather in her Princess Heart costume. This image is actually unofficial and created by a DeviantArt user.[1]

Princess Heart outfit in Book of Memories.

  • In Silent Hill: Book of Memories, in addition to the weapon, if the player creates a female avatar with the Cosplay class and chooses color scheme 4, the female protagonist will strongly resemble Princess Heart. The player can take it a step further by choosing Heather's hairstyle and equipping the Princess Earmuffs accessory.


v · e · d
Major Characters
Heather Mason - Douglas Cartland - Vincent Smith - Claudia Wolf
Other Characters
Harry Mason - Alessa Gillespie - Leonard Wolf - Stanley Coleman - Lisa Garland - Jennifer Carroll - Joseph Schreiber - James Sunderland - Greys - Happy Birthday Caller - Danny - Confessor - Greys - Robbie the Rabbit - Sewer Fairy
Beam Saber - Flamethrower - Handgun - Katana - Knife - Maul - Pipe - Shotgun - Stun Gun - Submachine Gun - Unlimited Submachine Gun
Closer - Double Head - Glutton - God - Insane Cancer - Leonard Wolf - Memory of Alessa - Missionary - Monster in Locker - Numb Body - Nurse - Pendulum - Scraper - Sewer Monster - Slurper - Split Worm - Valtiel
Borley Haunted Mansion - Brookhaven Hospital - Carroll Street - Central Square Shopping Center - Chapel - Construction Site - Daisy Villa Apartments - Happy Burger - Hazel Street Station - Heaven's Night - Hilltop Center - Jacks Inn - KMN Auto Parts - Lakeside Amusement Park - Last Drop Cafe - Nathan Avenue - Underpass
Flashlight - Fog World - God - Map - Metatron - Monster - Otherworld - Paradise - PTV - Radio - Real World - The Order - Manifestation - Seal of Metatron - UFO Ending - Sexuality - Halo of the Sun - Red Square
Items - Keys - Memos - Puzzles - Soundtrack - Limited Edition Soundtrack - Secrets and Unlockables
v · e · d
Major Characters
Ashley Baker - Derek Copeland - Graham Reynolds - Howard Blackwood - Jack Merrick - Katie Collins - Matthew Collins - Protagonist - Lorelai Reynolds - Shannon - Trent Baker
Other Characters
Alex Shepherd - Cybil Bennett - Emma - Harry Mason - Heather Mason - James Sunderland - Jason - Joshua Shepherd - Lisa Garland - Mary Shepherd-Sunderland - Mira - Murphy Pendleton - Travis Grady - Walter Sullivan
Air Screamer - Blood Baby - Blood Guardian - Blood Mama - Bogeyman - Bubble Head Nurse - Butcher - Double Head - Earth Guardian - Fire Guardian - Flesh Lip - Ghost - Grey Child - Insane Cancer - Light Guardian - Needler - Mother - Pyramid Head - Raw Shock - Tremer - Schism - Steel Guardian - Swarm - Valtiel - Water Guardian - Wood Guardian - Wood Sapling
A. Y. Guitar - Assault Rifle - Baseball Bat - Bare Hands - Beam Saber - Bogeyman's Hammer - Chainsaw - Circular Saw - Crossbow - Crowbar - Dagger of Melchior - Earth Sword - Fire Axe - Fire Sword - Flamethrower - Great Cleaver - Great Knife - Great Spear - Grenade - Guitar - Handgun - Hyper Spray - Katana - Knife - Maul - Meat Cleaver - Laser Gun - Pickaxe - Pillow - Pipe - Princess Heart - Robbie Doll - Rock Drill - Shovel - Shotgun - Steel Sword - Stun Gun - Sword of Obedience - Submachine Gun - Television - Torch - TV Remote - Water Sword - Wine Bottle - Wood Sword - Wood Plank
Howard's Shop - Library - Forsaken Room - Otherworld
Monster - Flashlight - Accessories - Artifacts - Karma Meter - Book of Memories - Welcome Sign

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