Water Shield (buff)
From Ars Magica
Protects the buff's target from fire for the duration of the buff. The buff ID of Water Shield is 40.
If the caster is lit on fire, it will be instantly extinguished.
Lava in front of the caster will be turned to obsidian, and fire will be put out.
Note that this does not affect lava waterfalls, or lava that is above the level that the caster is currently standing on.