talisman

/ˈtælɪsmən/
noun
  1. An object believed to bring good luck or protect its owner from harm, often because of magical or spiritual powers.
    • In many cultures, a rabbit's foot is considered a talisman that brings fortune.
    • The ancient warrior wore a talisman around his neck to protect him in battle.
    • She carried a small stone as a talisman for good luck during her exams.
  2. Something that has a special, almost magical power to bring success or positive results in a particular situation.
    • The old photograph served as a talisman of happier times, giving her strength.
    • His confidence was a talisman that opened doors wherever he went.
    • For the team, their lucky mascot became a talisman that seemed to guarantee victory.