[quote=@Genni]
[@Takashi]
"Watch the skies and know their nature when planning troop movements. Heavy rain may slow your troops, but not enough will leave them parched and unable to fight."
[/quote]

Narza can cover weather control. Hailstorms, droughts, blizzards would all destroy crops, slow troop movement, weaken entire areas, and even kill off whole villages if the blizzard is cold enough.