The Water Rune is an item used primarily as ammunition for staves.
Using Unpowered Runes or Charged Runes on a Rune Shrine that is centered on a Water Rune Shrine, will convert those Runes into Water Runes. The player can only convert Runes into Water Runes if their Runation level is 15 or higher.
Water Runes can be obtained as a drop from the following mobs:
Water Runes can be found when opening a Rune Box.
Water Runes are required as ammunition for the following Staves:
Additionally, Runic Sword can consume Water Runes when attacking to slow mobs on hit.
|Aquatic Staff||2 Water Runes +
3 Coral Stones +
2 Limonite Rods
|Water Staff||1 Water Rune +
|Waggy Slab||1 Draggy Slab +
1 Water Rune +
1 Blank Slab