Arrows in the game can be moisted, which will change how they affect enemies. Up to 10 arrows can be moisted with one potion.
Potion of Toxic Gas will make the arrows poisonous. Such arrows beyond normal damage also poison the enemy upon hit.
Potion of Liquid Flame can turn your arrow into a fiery arrow, which upon contact sets the enemy on fire and also sets on fire some of the cells.
If the arrow has been greased into a Potion of Frost, it will slow down the enemy upon hit.
An arrow moistened with a Potion of Paralytic Gas will cause the arrow to paralyze the target for some time.
When applying a Potion of Levitation, you can lose up to 10 arrows ( “Item Arrow: 9 escaped from your hands and flew away”)