I don't know how this module does not have at least one thousand reviews!
It's brilliant from the beginning to the end. The feeling of beign unable to exit the temple and the part were the player gather the ingredients to burn in the chalice (knowing that they shouldn't be doing that) was excellent.
Golden medal award: This is a six hour module with only three combats and manages to have the players in a permanent state of anguish.
It's simply brilliant