1 Elevator to/from the Umpani Base Camp 2 Pressure Plate here opens passage to 2a to gain access to the chest in the chamber 3 Power Station 4 Storage Room 5 Elevator to/from Mt. Gigas Upper Caves 6 Instruments: Frigid Fiddle 7 Spellbooks: Return 8 Spellbooks: Lesser Cures 9 Gadgets: Ptorch 10 Custom Item Ingredient: Mummy Dust, A Mummy lives in the chamber here, must break the wall to enter     c Chests

Holes in the ground will result in damage if the party falls into them. However if you need the Ptorch you'll need to take a dive. Otherwise the holes can be avoided by detouring around them.