As an action you use this chalk to draw a symbol. A creature using this chalk must have an intelligence of 6 to draw these symbols. You can draw up to 20 symbols with this chalk before it is completely used.

Square: Fills a container with 1 pint of ale

Circle: Casts Light on the item you draw the symbol on

Triangle: Fills a container with 1 pint of lamp oil

Cross: Casts the spell Grease (DC 12) when a creature crosses the symbol. The symbol lasts for a maximum of 8 hours. You can have a maximum of 3 symbols active at the same time.

Notes: @Bonus_Action