Create Burning Bag

Once you have a Burning Bag, A bag made from a light material, stuffed with dry mosses and bones,  you can cast this spell upon it to charge the bag.
Once you wish to use the bag as a weapon, you can take a spark of flame, lite it and throw it at your enemies.

Can be thrown 30ft and has a range of 10ft. Any creature within its range will make a DC15 DEX save, taking 4d6 fire damage on a failed save and half as much on a successful one.