EXIT: Lord of the Rings- shadows over middle-earth, SPOILER puzzle discussion

About EXIT: The Game – The Lord of the Rings: Shadows over Middle-earth, from BoardGameGeek:

Hurry up, hobbits, because a threat grows in the land of Mordor where the shadows loom. Frodo and his companions have set out to save Middle-earth, and the fate of the free world is now in their hands - and in the hands of the players because the companions need help! In Exit: The Game – The Lord of the Rings – Shadows over Middle-earth, the mighty wizard Gandalf has sent the players on a crucial mission, so they must embark on an adventure and fulfill his assignments for otherwise all hope dies. Together players visit the locations from J.R.R. Tolkien's "The Lord of the Rings", solve tricky magic puzzles, and support the companions against Nazgul, orcs, and other dark figures. Difficulty level: 2 of 5