Wind Rune

The Wind Rune is an item used primarily as ammunition for staves.

Rune Shrine
Using Unpowered Runes or Charged Runes on a Rune Shrine that is centered on a Wind Rune Shrine, will convert those Runes into Wind Runes. The player can convert Runes into Wind Runes regardless of their current Runation level.

Rune Box
Wind Runes can be found when opening a Rune Box.

Rune Randomizer
Using Unpowered Runes or Charged Runes on a Rune Randomizer has a chance to convert them into Wind Runes.

Ammunition
Wind Runes are required as ammunition for the following Staves: Additionally, Runic Sword can consume Wind Runes when attacking to increase its knockback.
 * Aquatic Staff
 * Baron Staff
 * Ember Staff
 * Fire Staff
 * Firefly Staff
 * Ghoul Staff
 * Haunters Staff
 * Joker Staff
 * Lyonic Staff
 * Mecha Staff
 * Noxious Staff
 * Phantom Staff
 * Poison Staff
 * Power Staff
 * Primordial Staff
 * Rosidian Staff
 * Sky Staff
 * Tangle Staff
 * Water Staff
 * Wind Staff
 * Wither Staff

Banner Pattern
Crafting a Wind Rune with a vanilla Banner and a dye will give the Banner a pattern that resembles the Wind Rune's symbol.