Navy Blue Runechalk

Chalk One Up. As an action you can use this chalk to draw a simple symbol. A creature using this chalk must have at least an intelligence of 8 to draw these symbols. You can draw up to 20 symbols with this chalk before it is completely used up.   Square. Casts Fog Cloud (1st level), centered on the symbol. Only one square can be active at a time.   Circle. Creates up to a gallon of water in a container.   Triangle. Creates an Arcane Umbrella 10ft. above the symbol. It covers a 10ft. radius in which it stays dry from all natural rainfall.   Cross. Destroys up to a gallon of liquid from a container.