<~><~>  The /bDuration/z of a Lingering Potion can be increased after adding a Bat Wing. By default a Lingering Potion lasts 30 seconds.<~><~>  Shown here are all the 
duration modifying Potion ingredients and their respective durations in seconds. Adding a /bBall of Clay/z to your potion will increase the duration of a Lingering potion to 40 
seconds.