Wandering Monster "Rolling" table
Roll 1D6 + (1 per room traversed)
1 - 1D3 Rats
2 - 1D3 Centipedes
3 - 1D4 Orcs
4 - 1D6 Goblins
5 - 1D4 Evil Elves
6 - 1D6 Hobgoblins
7 - Geletinous Cube
9 - Ghoul
10 - 1D6 Gnolls
11 - Harpys
12 - Doppleganger