Although not readily apparent, especially in the higher realms, everything followed a sort of rule, a balance that guided the operation of all things. Rowan had seen this rule everywhere, he had lived with these rules, and he had also casually broken them, and now for him, to an extent, the rules were what he decided to make of it.
Water could not consume the oxygen in the air to burn like fire, but it could exist in several states like vapor and ice, and it followed unique rules that bound it to a certain form, so also certain things in life could not change what they were else they would transform into something different.
If water wanted to burn it would have to transform into flames.