Compass Rune

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

Rune Shrine
Using Charged Runes on a Rune Shrine that is centered on a Compass Rune Shrine, will convert those Runes into Compass Runes. The player can only convert Runes into Compass Runes if their Runation level is 63 or higher.

Mob Drops
Compass Runes can be obtained as a drop from the following mobs:
 * Voxxulon
 * Xxeus

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

Rune Randomizer
Using Charged Runes on a Rune Randomizer has a chance to convert them into Compass Runes.

Ammunition
Compass Runes are required as ammunition for the following Staves:
 * Celestial Staff
 * Firestorm Staff
 * Lightning Staff
 * Lunar Staff
 * Meteor Staff
 * Moonlight Staff
 * Nightmare Staff
 * Show Staff
 * Underworld Staff

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