He foretold that only his own heir would be able to open it once they arrived at the school, and the heir would unleash a murderous basilisk living inside to purge the school of all Muggle-born students. Dobby later told Harry of the Room in detail and admitted to frequently bringing Winky to the room to cure her bouts of Butterbeer-induced drunkenness, finding it full of antidotes and a "nice elf-sized bed". It is set at Hogwarts School of Witchcraft and Wizardry and its surrounding areas, influenced by the Wizarding World franchise. Legacy sold more than 600,000 copies in Germany within a period of two and a half weeks, making it one of the most successful games of both 2022 and 2023.

It is strictly forbidden to all students, except during Care of Magical Creatures lessons and, on rare occasions, detentions. The player takes on the role of a student (voiced by Sebastian Croft or Amelia Gething) starting their studies at Hogwarts in the fifth year.Destructoid complimented the range of activities and unlockables but found the game sometimes unimpressive, contributing to the experience of being wrapped in an unsatisfatory open world environment.

Harry, Ron, and Hermione enter the Room, with Harry knowing that he must look for a place to hide things, and find the tiara; but they are ambushed by Draco, Crabbe and Goyle. The student's own choices may affect the decision: the clearest example is the Hat telling Harry that he would do well in Slytherin in the first book, but ultimately selecting Gryffindor after Harry asks it not to put him in Slytherin. The Hogwarts Express King's Cross Station features a wall between Platforms 9 and 10, where guests can "walk through" to get to Platform 9¾, as in the first film. V. Club deemed it the most interesting feature, expressing that confrontations with greater difficulty provided genuinely thrilling experiences.During the books, the head of this house is the Charms teacher, Professor Filius Flitwick, and the house ghost is the Grey Lady. According to the school caretaker, Argus Filch, detention meant subjection to various forms of corporal punishment until recently.

Audio production coordinator Nathan Ayuobi noted that while they took inspiration from composer John Williams' previous Harry Potter-related work, they concentrated on forging their own unique style.

Although the main characters of Harry Potter are absent in Hogwarts Legacy, some, such as Nearly Headless Nick and Peeves the Poltergeist, make appearances. The room is used to place and take care of utility items such as brewing stations and planting pots, which can also be customised. On 25 June, the Hollywood Bowl hosted a concert in celebration of the ten-year anniversary of The Game Awards, featuring a range of video game music from recent years, including Hogwarts Legacy.