Much like the original Betrayal this version has a couple of rule issues.
If you read the section on how to obtain the alchemist's fire it says "you may attempt a Knowledge or Speed roll of.... if you succeed, you obtain a bottle. Knowledge or Speed roll of what!?!? How could it be blank!! Easy fix though. Your # to hit will be equal to the number of heroes in the game, dead or alive.
We based this off the number of Alchemist Fire flasks you set aside at the beginning of the haunt.