Harry Potter revolves around magic and what it can accomplish, and certain magical artifacts such as the Cloak of Invisibility and the Philosopher's Stone display some of the most unique and powerful applications of magic. Despite typically providing only one purpose or function, artifacts can bypass conventional rules and approach the impossible. Because of this, many of these objects play major roles in Harry Potter, such as directly aiding or opposing Harry.
Source：https://www.cbr.com/harry-potter-overpowered-magical-objects/
