Ancient Arrows are an item that appear in Breath of the Wild.
Breath of the Wild
Ancient Arrows are created using ancient Sheikah technology.
These arrows work much like Light Arrows in The Wind Waker, destroying most normal enemies in a single hit (although they won't drop any items or weapons). They will reduce a Guardian's max health by a third. If used on any type of boss, the arrow will deal 50 damage in addition to the attack power of the bow used.
If used while wearing the ★★ upgraded Ancient Set, it will deal a bonus +80% Damage.
The best place to obtain these is either opening chests around Hyrule Castle, or just buying them from the Akkala Ancient Tech Lab. The fact that they can be found in Hyrule Castle implies that either Robbie, Jerrin or Granté snuck into the ruins and hid them there. It may have been Robbie en route to Fort Hateno, as he was said to have gone there to kill some Guardians in atonement for failing to protect Link.
The Ancient Arrow is the result of a regular Arrow being combined with an Ancient dagger, which is a secret bit of Ancient Technology discovered by Robbie; this is the reason the arrow's point opens like a switchblade when nocked in a bow for shooting. The first was created solely by him, 20-30 years before Jerrin joined him from Kakariko Village.
|This section describes a subject that is or may be outside the core Zelda canon.|
Breath of the Wild Hyrule Compendium picture of the Ancient Arrow
- As shown in the E3 2014 trailer, the arrow requires Link to pull a trigger located on its hilt to release the dagger's blade. The trigger is hidden under a lid that Link lifts with his finger.
- It's been speculated by fans that the daggers used for the arrows, due to their tremendous power and obliterating effect, may have been used for assassination purposes originally, as no other Ancient Weapon features such an effect.
- Due to the assumption that they flee for safety after being defeated, it's shown that Ancient Arrows are the only way to effectively kill Yiga Footsoldiers and Yiga Blademasters, as the arrows completely obliterate them.