This length of time would specify how long the fire stays on the screen with each the blue candle, red candle, and wand+book.
This would go hand in hand with the new rule that makes the screen only light up while fire is on it.
Candle Fire "Length of Time" Item Properties
^brilliant!
It would be great since DN said that he is going to put the temporary lit room feature in.
This would make a good addition to that feature!