Aghanim's Scepter

Aghanim's Scepter is an Item purchasable at the Main Shop, under Caster. However, it can only be completed with items from the Secret Shop. This item is used to increase the power of a hero's Ultimate ability, which makes it an excellent weapon for a Nuker or a Support type hero.

Trivia

 * Aghanim's Scepter is a reference to Agahnim, one of the main villains in "A Link to the Past", a game in "The Legend of Zelda" series.
 * In both Dota 1 and Dota 2, Rubick is the son of Aghanim.