The "Water Dragon" is a collosal creature or object located in the center of the Charr Homelands. It is never mentioned in in-game dialogue or the manual, and the name "Water Dragon" is taken from the fansite kit, in which there is a piece of concept art labelled waterdragon.jpg. The "Water Dragon" is suspected to be one of the sleeping Ancient Dragons along with Primordus who will awaken in Guild Wars 2.

This Dragon's breath has the ability to corrupt the land and animals that come into contact with it. In this way, most of the Charr Homelands and Ascalon region were corrupted and turned into this Dragon's domain

Grothmar is a suspected name of this dragon.

Ancient Dragons
PrimordusKralkatorrikDeep Sea DragonZhaitanDesert DragonJormagAir DragonLighthouse DragonKaineng Dragon