Voldemort's Horcruxes were objects that contained pieces of his soul which Harry and his friends went on a mission to destroy. Each of Voldemort's 7 Horcruxes were important to his history.

More than one aspect of Lord Voldemort's plan to become immortal in the Harry Potter series has been critiqued by fans, including why he didn't turn less conspicuous objects into Horcruxes ...