Essence of water

Essence of water can be looted from drowners or the kayran, crafted or it can be purchased from Fioravanti in Flotsam. It can also be used to craft other items, specifically these runes:
* Earth rune
* Fire rune
* Moon rune
* Sun rune
* Ysgith rune
de:Wasseressenz
fr:Essence d'eau
it:Essenza dell'acqua
ru:Водная эссенция
Category:The Witcher 2 monster parts
Category:The Witcher 2 crafting components
Category:Hydragenum