Infinity Edge

Infinity Edge is an advanced item in League of Legends.

Background
''Only the boldest of men and women dare take the risky trip to the hottest spot in Valoran, in the very center of the Shurima Desert. Those who successfully make the journey may bathe their swords in a magical pool of the purest water known to this world. Any edge dipped into this pool will stay sharper and strike truer than any other sword.''

Trivia

 * shares its name with a set of Infinity Weapons from the game Lineage II, which are the strongest weapons available.  bears similarities to the Infinity Shaper.
 * Infinity Edge is tied with for the most expensive item in the game.
 * is in the Summoner's Rift map, specifically in the Shopkeeper's bag.