Tower of Brest
The large grey tower in the middle of the Brest.
Consists of long hallways leading to rooms with traps and puzzles. The monsters waiting for you vary drastically.
Level 14 or higher for "fighters" and level 17 or so for spellcasters.
Dread Beholders, Electric Dragons, Geoltrolls, Skulls, Beholders, Rust Monsters, Castle Guards, Chinese Dragons, Green Slime, Slime, Wyverns, Hill Giants, Ogres, Mice, Wraiths, Vampires, Trolls, Black Pudding, Pixies, Brown Wizards, Goblins, Orcs, Grim Reapers, Panthers, Titans, Dark Angels, Small Trolls, Violent Fungic, Basiliscs, Demons, Ghosts, Bats, Snakes, Earth Elementals, Air Elementals, Water Elementals, Fire Elementals, Skeletons, Mad Men, Dem Liches, Nightmares, Acid Spheres, Giant Cobras, Blobs, Demon Lords, Xans, Behemoths