1st picture has moraktar bosses
2nd picture has godgorrath bosses
3rd picture has melvendil bosses
4th picture has langasard bosses that are needed for ach (there are 7 bosses but 5 are needed for ach and 1 is guest only).
5th and 6th pictures are route to last boss needed for achievement
7th picture is boss that isnt needed for achievement but everyone can kill
(Its 1 floor below necroconstruct)
8th picture is tree where lord of orphan lake is (boss that only guesters can kill)