Honestly I didn't understand what you are trying to say, but I am writing this ff in my point of view, so I am writing about what would I have done if I were there in the ff.
that's the story. its slow development.
author could have made him totally immine to primordial will but he didn't, it means there is a plot twist in it.
you got it wrong
'enhancers- water volume increases.
'transmuter- taste of water becomes sweet.
'emitter- colour of water changes.
'manipulator- leaf turns inside water.
'conjurer- crystals appears in water.
'specialist- other phenomenon happens.