So I did 1000 Ancient Tunnels runs with my Blizzard sorceress. The Fastest run time is some accidental Save & Exit. I rerolled my map after maybe 100 runs. The second map looked like this with boss pack spawn locations marked with dots: Red - spawned most of the time Orange - spawned frequently Blue - spawned rarely I'd say in most of the runs the map had 6 or 7 boss packs. AT is situated two teleports away from WP: Here are the most interesting drops: Set items: Unique armor: Unique weapons: Runes: I left out some of the useful exceptional uniques like WT, Gores, eth Shaftstop. When I started the runs I was using dual spirits, 3 topaz helm and other usual starter gear and ended up with standard blizz sorc gear with Tal's amu missing from the 3 piece. I think we got a decent haul with Astreon's (+3 skills/277ed/+83dmg), Death Cleaver (245ed), Arkaines (+2 skills), Tal's armor and an OHM rune being the ones causing me to go and tell my girlfriend what I had just found despite the fact she has no idea what I'm talking about. Now I'll grab a beer and hope the next boss pack grants me a Windforce so I can make a nasty bowzon. Cheers.