An item, MacGuffin
, or other such that can only be used by someone who is, for example, pure of heart
, a certain age, part of a certain family/bloodline, or has some rare property that only certain people have. This does not include needing a password, key, or other such item.
In other words, the requirement to use it has to have more to do with the actual plot, although the actual importance of said requirement does not matter. Sometimes the requirement is a background detail, other times it has a major effect on the story.
Supertrope to Level-Locked Loot
, Only the Pure of Heart
, and Only the Chosen May Wield
. Sister Trope
to Operator Incompatibility
. Contrast Self-Guarding Phlebotinum
, which is when the item protects itself against
people with a certain quality.
[[folder:Anime and Manga]]
- Various types of mobile suits are made specifically for Newtypes.
- The RX-0 Unicorn Gundam from Mobile Suit Gundam Unicorn can only be piloted by someone who has a noble heart, and has a noble reason to pilot it. The pilot also has to be a Newtype.
- In Naruto, the sword Samehada can only be wielded if it likes the taste of the wielder's chakra.
- Barrage: Astro's weapon is described as working only for those who have the qualifications. Initially, it's assumed to be his bravery and pure-heartedness, but it turns out that it's actually royal blood, which Astro secretly possesses.
- Lightsabers in Star Wars can be effectively wielded only by Force-users, with very few exceptions. This is explained by the weapon's very counter-intuitive balance and preternatural quickness needed to wield it. Only one such exception is in the film canon, General Grievous, and he's a cyborg, with his mechanical precision of movements preventing him from julienning himself with the energy blades. The other film canon non-Force user who tries to handle a lightsaber, Han Solo, is wise enough to only use it to cut open a dead tauntaun.
- In District 9 only prawns can use the prawn superweapons. Thus human Wikus becomes of interest to the authorities when he is infected with alien prawn DNA.
- The Star Wars Expanded Universe novel The Crystal Star features a Jedi and Dark Jedi who have lightsabers that lack a traditional on/off switch. Instead, igniting them requires using the Force to close an internal electrical connection. In the New Jedi Order series the Skywalkers have a similar security feature on the bridge airlock of the Jade Shadow: opening the hatch from outside requires use of the Force to manipulate the internal mechanisms.
- Lloyd Alexander's Chronicles of Prydain: Only a member of the House of Llyr, such as Princess Eilonwy, can command the power of her "bauble" (a.k.a. the Golden Pelydryn) and use the House's magical spells.
- The Spear of Telesto in the Blood Angels novels can only be wielded by carriers of their Primarch Sanguinius' genes (i.e. just the Blood Angels and their successor chapters).
- Harry Potter:
- Downplayed with wands, which have a certain loyalty to their owners and will not generally operate at full capacity for anyone else. Lore around the Elder Wand, a legendarily powerful item in Deathly Hallows, suggested that it may only work at full capacity for the person who has defeated (not necessarily killed, which is a plot point) its last owner. Despite taking the wand from Dumbledore, it is no more powerful for Voldemort than his usual wand (which isn't saying much given the scale of Voldemort's powers), because he misread the chain of succession.[[labelnote:Explanation (SPOILER WARNING!)]]It was actually Draco Malfoy who defeated Dumbledore in Half-Blood Prince, and Harry defeated Draco in Deathly Hallows which caused the Elder Wand to pass to him.[[/labelnote]]
- Invoked by Dumbledore in Philosopher's Stone. He sets up the Mirror of Erised so that only somebody who wanted to get the Stone but not use it would be able to retrieve it.
- Buffy the Vampire Slayer has a big hammer could only be wielded by someone of near-godlike (or Slayer) strength.
- Stargate Verse:
- Some Ancient technology (most famously the Puddle Jumpers) requires the ATA gene to activate. This renders it inaccessible to most humans in the galaxy since the gene is recessive and tends to get bred out of smaller populations. Earth's is big enough to maintain it, and the SGC eventually developed a procedure to add the gene to their personnel.
- Much Goa'uld technology requires bloodborne naquadah to activate, including the hand device and healing device. The most common way to get this is by hosting a Goa'uld, hence why Samantha Carter, who briefly carried a Tok'ra in "In the Line of Duty," can use them.
- The Charmed Ones' Book of Shadows would only let good beings or mortals touch it and it would shield itself from Demons and the like. Similarly, The Grimoire, being an ancient and demonic tome, would only let demons and the like touch it and wouldn't let anyone good touch it as it was the Evil Counterpart to the sisters' magic book.
- In season 2 an evil witch is released from a magical sleep and goes out seeking her wand. If she were to obtain it she would be nigh impossible to vanquish. The only way to destroy her would be to use her wand against her, but the only person capable of wielding it would be someone who was the seventh son of a seventh son.
- In Season 8 Hippolyta's Belt would only let a morally good woman wear it or else it exploded.
- In Fringeworthy, only a tiny percentage of the human race has the innate ability to use the Fringepaths without dying.
- In Warhammer 40,000, Tau vehicles apparently use a genescanning system to prevent Gundamjacking, as seen when a commando tried to steal a battlesuit and got fried for it.
- NEXTs in Armored Core, which can only be piloted by people with some special type of psyche. Ill-defined, but still an example.
- The Divine Crusader equipment set in The Elder Scrolls IV: Oblivion -- Knights of the Nine. To use it, you need to go on a long, annoying pilgrimage, and if your Infamy is raised to anything above 1 after you have obtained it, then you must go on said pilgrimage again.
- The Apple of Eden in Assassin's Creed can only be used by descendants of the first civilization.
- Various items in the Neverwinter Nights series are keyed to a particular race and/or class. For example, the sequel's Hammer of Ironfist can only be wielded by dwarves, and many prestige classes have unique armors. A high Use Magic Device skill will override these restrictions, however.
- The MacGuffin of Skullgirls, the Skull Heart, can only be used by those who are absolutely pure of heart, or else they will become the Skullgirl themselves. Parasoul's mother wanted to end a war, and the war ended, alright...by turning her into the Skullgirl and forcing everyone to unite against her. Similarly, Bloody Marie presumably wished for her freedom from enslavement by the mob, only to become as ruthless as the mobsters she kills.
- In the Paper Mario: The Thousand-Year Door intro, the chest containing the magical map that the merchant gives Peach says that only someone pure of heart can open it. Peach was able to open it. Later, it is revealed that The merchant was actually Beldam in disguise; who did so because she was trying to unseal the Shadow Queen, and needed the Crystal Stars to do so since the Crystal Stars are needed to open the Thousand Year Door, which is where the Shadow Queen is sealed. The magical map is what allows you to find them.
- In The Legend of Zelda: Ocarina of Time, Link could only wield the Master Sword when he is an adult, so upon gaining it he was put into a sleep for seven years.
- Regular Show has the Sandwich of Death, which is deadly unless you eat it the right way: by wearing a mullet and cut-off shorts.