Buckler

The Buckler is an Item purchasable at the Main Shop, under Support.

Armor Bonus
Gives +2 armor to allied units in a 700 radius. Lasts 25 seconds on heroes, 30 seconds on units, costs 10 mana, and has a 25 second cooldown.

Trivia

 * In the transition from DotA to Dota 2, Buckler name was changed from the Nathrezim Buckler to simply Buckler.