Happened to Yui, Freeze and others in a second season episode of Corrector Yui.The demons do this to Dr Hibiki in Brave Raideen.In Blood+, fusing a Chiropteran's blood with the opposite Queen's blood results to this.It turns out the fetus was simply encased in a stone "shell" through reasons never figured out, and Black Jack is able to save the baby by chipping away the stone. One story in Black Jack has him examine an overworked pregnant hotel employee, only to find, to his astonishment, that her unborn child somehow turned into a lump of rock.And it was working fine, but unfortunatley, the battle maniac of the group, Magsarion, arrived and decided to attack her, shattering her and thus triggering her regeneration and undoing what had been done. The heroes attempt to capitalize on this by having Alma call in a huge favor from him in order to deal with another demon lord, Frederica, whose obnoxious Healing Factor makes it nigh impossible to deal with her otherwise. The demon lord Kaikhosru from Avesta of Black and White has to ability to turn people to statues made out of gemstones with his breath.Attack on Titan: Annie does this to herself after being defeated in her Titan form, to avoid being interrogated about her betrayal of mankind.
Our heroes manage to trick an evil wizard into turning them to stone by impersonating their evil counterparts.
Arabian Nights: Adventures of Sinbad: It happens to the trio of brothers who turned themselves into evil doppelgangers of Sinbad, Ali Baba and Aladdin.They all get turned back after Daimao is defeated. Akazukin Chacha: Daimao does this to Chacha's parents and a few of their guards once he occupies their castle before the events of the show.This is probably to avoid the circulatory problems that would arise from having a completely petrified limb. You can often see this ambiguity when a character is only partially petrified - they will seem only to be lightly encased in stone, and can sometimes still break out. There is often some ambiguity as to whether the petrified person is completely turned to solid stone, or whether they are merely 'encased' in a thin layer of stone in a manner similar to Harmless Freezing. If a villain knows that this effect can be potentially reversed, you can expect them to consider smashing the "statue" to ensure the person cannot be brought back. Petrification happens a lot in children's media, because, unlike death, it is usually reversible thanks to No Ontological Inertia. If the character can transform on their own and remain mobile, then this is an Elemental Shapeshifter.
It does not count if they transform and untransform on their own (unless they cannot move, such as in Dragon Tails and Super Mario Bros. More likely to produce Tears from a Stone than most rock - but still not very likely. However, it's generally accepted that shattering the statue kills the person held within. At worst, he'll remain conscious while frozen in a form of locked-in paralysis, sometimes accompanied by inescapable pain or anguish. If the victim isn't killed outright, he might be in some sort of stasis. Definitely Older Than Feudalism, being fairly common in Classical Greek myth as well as Fairy Tales. The ability to transform someone in this manner is a fairly common Stock Superpower, especially if combined with an "Evil Eye". Heed well, traveler: Should you ever stumble upon a cave filled with impeccably detailed life-size statues showing expressions of terror on their faces, be smart and turn back now. Transformed into stone (or another inanimate substance) by someone else, the archetypal result is a perfectly sculpted gray (concrete?) statue, complete with matching gray clothes and accessories, frozen in whatever position they were in when the spell took effect, presumably for all time. A character has been petrified - literally.