1

Roll 2d6 giant centipedes

2

Roll 1d4 giant spider(s)

3

Thayan patrol (roll on Thayan Patrol table)

4

1 shambling mound. Unless the dungeon is on high alert it will be accompanied by 1 Thayan apprentice and Roll 2d4 Thayan warriors. Between the Thayans they are carrying Roll on "Chance of Thayans Carrying Potions in the Doomvault (TftYP Subtable) "