Eaglesong

The Eaglesong is an Item purchasable at the Secret Shop.

Additional information
One Eaglesong grants a total of 3.5 armor and 25 attack speed (and 25 attack damage to agility heroes).

Trivia

 * Eaglesong is referenced in the "Tales from the secret shop" comic.
 * In the original DotA, this item was named Eaglehorn, a reference to a unique bow in Diablo II.